125997164724 has 12 divisors (see below), whose sum is σ = 293993384384. Its totient is φ = 41999054904.

The previous prime is 125997164717. The next prime is 125997164747. The reversal of 125997164724 is 427461799521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5249881852 + ... + 5249881875.

Almost surely, 2^125997164724 is an apocalyptic number.

It is an amenable number.

125997164724 is an abundant number, since it is smaller than the sum of its proper divisors (167996219660).

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

125997164724 is a wasteful number, since it uses less digits than its factorization.

125997164724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499763734 (or 10499763732 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The spelling of 125997164724 in words is "one hundred twenty-five billion, nine hundred ninety-seven million, one hundred sixty-four thousand, seven hundred twenty-four".