125727885 has 24 divisors (see below), whose sum is σ = 219383424. Its totient is φ = 66607200.

The previous prime is 125727871. The next prime is 125727907. The reversal of 125727885 is 588727521.

125727885 is a `hidden beast` number, since 1 + 2 + 572 + 78 + 8 + 5 = 666.

It is not a de Polignac number, because 125727885 - 2⁷ = 125727757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125727885.

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 23 ways as a sum of consecutive naturals, for example, 2457 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (9140976).

Almost surely, 2^125727885 is an apocalyptic number.

125727885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125727885 is a deficient number, since it is larger than the sum of its proper divisors (93655539).

125727885 is a wasteful number, since it uses less digits than its factorization.

125727885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18665 (or 18662 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 125727885 is about 11212.8446435327. The cubic root of 125727885 is about 500.9686356117.

The spelling of 125727885 in words is "one hundred twenty-five million, seven hundred twenty-seven thousand, eight hundred eighty-five".