125684292720 has 160 divisors (see below), whose sum is σ = 451381681152. Its totient is φ = 28334278656.

The previous prime is 125684292677. The next prime is 125684292739. The reversal of 125684292720 is 27292486521.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 125684292720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389772 + ... + 635051.

Almost surely, 2^125684292720 is an apocalyptic number.

125684292720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125684292720 is an abundant number, since it is smaller than the sum of its proper divisors (325697388432).

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

125684292720 is a wasteful number, since it uses less digits than its factorization.

125684292720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024919 (or 1024913 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 125684292720 in words is "one hundred twenty-five billion, six hundred eighty-four million, two hundred ninety-two thousand, seven hundred twenty".