125835656 has 8 divisors (see below), whose sum is σ = 235941870. Its totient is φ = 62917824.

The previous prime is 125835629. The next prime is 125835659. The reversal of 125835656 is 656538521.

It can be written as a sum of positive squares in only one way, i.e., 81613156 + 44222500 = 9034^2 + 6650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125835656² = 31669224641900672, 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 as a sum of consecutive naturals, namely, 7864721 + ... + 7864736.

Almost surely, 2^125835656 is an apocalyptic number.

It is an amenable number.

125835656 is a deficient number, since it is larger than the sum of its proper divisors (110106214).

125835656 is a wasteful number, since it uses less digits than its factorization.

125835656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15729463 (or 15729459 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 125835656 is about 11217.6493081216. The cubic root of 125835656 is about 501.1117342618. Note that the first 3 decimals are identical.

The spelling of 125835656 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, six hundred fifty-six".