125654868720 has 60 divisors (see below), whose sum is σ = 421990936536. Its totient is φ = 33507964800.

The previous prime is 125654868719. The next prime is 125654868727. The reversal of 125654868720 is 27868456521.

125654868720 is a `hidden beast` number, since 1 + 2 + 5 + 65 + 486 + 87 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125654868727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 87259606 + ... + 87261045.

Almost surely, 2^125654868720 is an apocalyptic number.

125654868720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125654868720 is an abundant number, since it is smaller than the sum of its proper divisors (296336067816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125654868720 is a wasteful number, since it uses less digits than its factorization.

125654868720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174520670 (or 174520661 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 125654868720 in words is "one hundred twenty-five billion, six hundred fifty-four million, eight hundred sixty-eight thousand, seven hundred twenty".