125751957 has 8 divisors (see below), whose sum is σ = 167962176. Its totient is φ = 83688192.

The previous prime is 125751953. The next prime is 125751973. The reversal of 125751957 is 759157521.

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

It is not a de Polignac number, because 125751957 - 2² = 125751953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125751953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34593 + ... + 38054.

It is an arithmetic number, because the mean of its divisors is an integer number (20995272).

Almost surely, 2^125751957 is an apocalyptic number.

It is an amenable number.

125751957 is a deficient number, since it is larger than the sum of its proper divisors (42210219).

125751957 is an equidigital number, since it uses as much as digits as its factorization.

125751957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73227.

The product of its digits is 110250, while the sum is 42.

The square root of 125751957 is about 11213.9180039806. The cubic root of 125751957 is about 501.0006055745. Note that the first 3 decimals are identical.

The spelling of 125751957 in words is "one hundred twenty-five million, seven hundred fifty-one thousand, nine hundred fifty-seven".