Q: Is 1,223,142 a Prime Number?
A: No, 1,223,142 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 1223142 can be evenly divided by 1 2 3 6 203,857 407,714 611,571 and 1,223,142, with no remainder.
Since 1,223,142 cannot be divided by just 1 and 1,223,142, it is not a prime number.