125563688 has 16 divisors (see below), whose sum is σ = 236472480. Its totient is φ = 62504368.

The previous prime is 125563673. The next prime is 125563699. The reversal of 125563688 is 886365521.

It is a super-2 number, since 2×125563688² = 31532479488322688, which contains 22 as substring.

It is an unprimeable number.

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, 32756 + ... + 36387.

It is an arithmetic number, because the mean of its divisors is an integer number (14779530).

Almost surely, 2^125563688 is an apocalyptic number.

It is an amenable number.

125563688 is a deficient number, since it is larger than the sum of its proper divisors (110908792).

125563688 is a wasteful number, since it uses less digits than its factorization.

125563688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69376 (or 69372 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 125563688 is about 11205.5204252190. The cubic root of 125563688 is about 500.7504570649.

The spelling of 125563688 in words is "one hundred twenty-five million, five hundred sixty-three thousand, six hundred eighty-eight".