1252751 has 2 divisors, whose sum is σ = 1252752. Its totient is φ = 1252750.

The previous prime is 1252739. The next prime is 1252777. The reversal of 1252751 is 1572521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1572521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626375 + 626376.

It is an arithmetic number, because the mean of its divisors is an integer number (626376).

2^1252751 is an apocalyptic number.

1252751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252751 is an equidigital number, since it uses as much as digits as its factorization.

1252751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 23.

The square root of 1252751 is about 1119.2635971924. The cubic root of 1252751 is about 107.8007012643.

The spelling of 1252751 in words is "one million, two hundred fifty-two thousand, seven hundred fifty-one".