125688885 has 16 divisors (see below), whose sum is σ = 229831296. Its totient is φ = 57457728.

The previous prime is 125688877. The next prime is 125688919. The reversal of 125688885 is 588886521.

It is not a de Polignac number, because 125688885 - 2³ = 125688877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598414 + ... + 598623.

It is an arithmetic number, because the mean of its divisors is an integer number (14364456).

Almost surely, 2^125688885 is an apocalyptic number.

125688885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125688885 is a deficient number, since it is larger than the sum of its proper divisors (104142411).

125688885 is a wasteful number, since it uses less digits than its factorization.

125688885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197052.

The product of its digits is 1228800, while the sum is 51.

The square root of 125688885 is about 11211.1054316691. The cubic root of 125688885 is about 500.9168311471.

The spelling of 125688885 in words is "one hundred twenty-five million, six hundred eighty-eight thousand, eight hundred eighty-five".