125835657 has 8 divisors (see below), whose sum is σ = 168850176. Its totient is φ = 83355792.

The previous prime is 125835629. The next prime is 125835659. The reversal of 125835657 is 756538521.

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

It is not a de Polignac number, because 125835657 - 2¹⁶ = 125770121 is a prime.

It is a super-2 number, since 2×125835657² = 31669225145243298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125835659) 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, 133113 + ... + 134054.

It is an arithmetic number, because the mean of its divisors is an integer number (21106272).

Almost surely, 2^125835657 is an apocalyptic number.

It is an amenable number.

125835657 is a deficient number, since it is larger than the sum of its proper divisors (43014519).

125835657 is a wasteful number, since it uses less digits than its factorization.

125835657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267327.

The product of its digits is 252000, while the sum is 42.

The square root of 125835657 is about 11217.6493526942. The cubic root of 125835657 is about 501.1117355892. Note that the first 3 decimals are identical.

The spelling of 125835657 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, six hundred fifty-seven".