1252031701 has 2 divisors, whose sum is σ = 1252031702. Its totient is φ = 1252031700.

The previous prime is 1252031699. The next prime is 1252031707. The reversal of 1252031701 is 1071302521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 827712900 + 424318801 = 28770^2 + 20599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252031701 - 2¹ = 1252031699 is a prime.

Together with 1252031699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252031707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626015850 + 626015851.

It is an arithmetic number, because the mean of its divisors is an integer number (626015851).

Almost surely, 2^1252031701 is an apocalyptic number.

It is an amenable number.

1252031701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252031701 is an equidigital number, since it uses as much as digits as its factorization.

1252031701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1252031701 is about 35384.0599846880. The cubic root of 1252031701 is about 1077.8006513841.

The spelling of 1252031701 in words is "one billion, two hundred fifty-two million, thirty-one thousand, seven hundred one".