125686752 has 24 divisors (see below), whose sum is σ = 329927976. Its totient is φ = 41895552.

The previous prime is 125686751. The next prime is 125686793. The reversal of 125686752 is 257686521.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125686751) 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 3 ways as a sum of consecutive naturals, for example, 654523 + ... + 654714.

It is an arithmetic number, because the mean of its divisors is an integer number (13746999).

Almost surely, 2^125686752 is an apocalyptic number.

125686752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125686752 is an abundant number, since it is smaller than the sum of its proper divisors (204241224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125686752 is a wasteful number, since it uses less digits than its factorization.

125686752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309250 (or 1309242 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 125686752 is about 11211.0103023769. The cubic root of 125686752 is about 500.9139975323.

The spelling of 125686752 in words is "one hundred twenty-five million, six hundred eighty-six thousand, seven hundred fifty-two".