125752637 has 4 divisors (see below), whose sum is σ = 125775360. Its totient is φ = 125729916.

The previous prime is 125752631. The next prime is 125752667. The reversal of 125752637 is 736257521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125752637 - 2¹⁶ = 125687101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125752637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125752631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 16130.

It is an arithmetic number, because the mean of its divisors is an integer number (31443840).

Almost surely, 2^125752637 is an apocalyptic number.

It is an amenable number.

125752637 is a deficient number, since it is larger than the sum of its proper divisors (22723).

125752637 is an equidigital number, since it uses as much as digits as its factorization.

125752637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22722.

The product of its digits is 88200, while the sum is 38.

The square root of 125752637 is about 11213.9483234051. The cubic root of 125752637 is about 501.0015086216.

The spelling of 125752637 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, six hundred thirty-seven".