Q: Is 1,121,729 a Prime Number?
A: No, 1,121,729 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 1121729 can be evenly divided by 1 7 37 61 71 259 427 497 2,257 2,627 4,331 15,799 18,389 30,317 160,247 and 1,121,729, with no remainder.
Since 1,121,729 cannot be divided by just 1 and 1,121,729, it is not a prime number.