# Q: Is 123,456,789 an Odd Number?

A: Yes, the number 123,456,789 is an odd number.

## How is 123,456,789 an odd number?

An odd number is any integer (a whole number) that cannot be divided by 2 evenly. If you divide a number by 2 and there is a remainder left, the number is odd. If you divide by 2 and there is not a remainder left, then the number is even.

Let's try that calculation...

123,456,789 ÷ 2 = 61,728,394.5

Notice the number is not a whole number and has a remainder (the .5)? That means the number is an odd number because it cannot be divided by 2 without a remainder.

### How to identify an odd number without a calculator

Any number that ends in 1, 3, 5, 7 or 9 is an odd number. This is because the number cannot be divided by 2 evenly.

### More Examples

Here are more examples of even and odd numbers in sequence:

 123,456,787 123,456,788 123,456,790 123,456,791 odd even even odd

### Explore more about the number 123,456,789:

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