Q: Is 1,125,111 a Prime Number?
A: No, 1,125,111 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 1125111 can be evenly divided by 1 3 13 17 39 51 221 663 1,697 5,091 22,061 28,849 66,183 86,547 375,037 and 1,125,111, with no remainder.
Since 1,125,111 cannot be divided by just 1 and 1,125,111, it is not a prime number.