125716631 has 8 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 124852192.

The previous prime is 125716609. The next prime is 125716691. The reversal of 125716631 is 136617521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125716631 - 2¹⁴ = 125700247 is a prime.

It is a super-2 number, since 2×125716631² = 31609342619980322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125716601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113426 + ... + 114528.

It is an arithmetic number, because the mean of its divisors is an integer number (15823080).

Almost surely, 2^125716631 is an apocalyptic number.

125716631 is a deficient number, since it is larger than the sum of its proper divisors (868009).

125716631 is a wasteful number, since it uses less digits than its factorization.

125716631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its digits is 7560, while the sum is 32.

The square root of 125716631 is about 11212.3427971143. The cubic root of 125716631 is about 500.9536878026.

The spelling of 125716631 in words is "one hundred twenty-five million, seven hundred sixteen thousand, six hundred thirty-one".