124251161625 has 64 divisors (see below), whose sum is σ = 231248908800. Its totient is φ = 65828160000.

The previous prime is 124251161609. The next prime is 124251161647. The reversal of 124251161625 is 526161152421.

124251161625 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 5 + 11 + 616 + 25 = 666.

It is not a de Polignac number, because 124251161625 - 2⁴ = 124251161609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124251161625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387721 + ... + 631529.

It is an arithmetic number, because the mean of its divisors is an integer number (3613264200).

Almost surely, 2^124251161625 is an apocalyptic number.

124251161625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124251161625 is a deficient number, since it is larger than the sum of its proper divisors (106997747175).

124251161625 is a wasteful number, since it uses less digits than its factorization.

124251161625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243984 (or 243968 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 124251161625 in words is "one hundred twenty-four billion, two hundred fifty-one million, one hundred sixty-one thousand, six hundred twenty-five".