Q: Is 1,121,128 a Prime Number?
A: No, 1,121,128 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 1121128 can be evenly divided by 1 2 4 8 353 397 706 794 1,412 1,588 2,824 3,176 140,141 280,282 560,564 and 1,121,128, with no remainder.
Since 1,121,128 cannot be divided by just 1 and 1,121,128, it is not a prime number.