125512875 has 32 divisors (see below), whose sum is σ = 232065600. Its totient is φ = 66938400.

The previous prime is 125512867. The next prime is 125512897. The reversal of 125512875 is 578215521.

125512875 is a `hidden beast` number, since 12 + 551 + 28 + 75 = 666.

It is not a de Polignac number, because 125512875 - 2³ = 125512867 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 15220 + ... + 21969.

It is an arithmetic number, because the mean of its divisors is an integer number (7252050).

Almost surely, 2^125512875 is an apocalyptic number.

125512875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125512875 is a deficient number, since it is larger than the sum of its proper divisors (106552725).

125512875 is an equidigital number, since it uses as much as digits as its factorization.

125512875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37213 (or 37197 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 125512875 is about 11203.2528758392. The cubic root of 125512875 is about 500.6829002033.

The spelling of 125512875 in words is "one hundred twenty-five million, five hundred twelve thousand, eight hundred seventy-five".