Q: Is 1,121,155 a Prime Number?
A: No, 1,121,155 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1121155 can be evenly divided by 1 5 7 35 103 311 515 721 1,555 2,177 3,605 10,885 32,033 160,165 224,231 and 1,121,155, with no remainder.
Since 1,121,155 cannot be divided by just 1 and 1,121,155, it is not a prime number.