Q: Is 1,125,159 a Prime Number?
A: No, 1,125,159 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 1125159 can be evenly divided by 1 3 7 21 131 393 409 917 1,227 2,751 2,863 8,589 53,579 160,737 375,053 and 1,125,159, with no remainder.
Since 1,125,159 cannot be divided by just 1 and 1,125,159, it is not a prime number.