125881124982724 has 6 divisors (see below), whose sum is σ = 220291968719774. Its totient is φ = 62940562491360.

The previous prime is 125881124982713. The next prime is 125881124982727. The reversal of 125881124982724 is 427289421188521.

It can be written as a sum of positive squares in only one way, i.e., 100649691834624 + 25231433148100 = 10032432^2 + 5023090^2 .

It is not an unprimeable number, because it can be changed into a prime (125881124982727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15735140622837 + ... + 15735140622844.

Almost surely, 2^{125881124982724} is an apocalyptic number.

It is an amenable number.

125881124982724 is a deficient number, since it is larger than the sum of its proper divisors (94410843737050).

125881124982724 is a wasteful number, since it uses less digits than its factorization.

125881124982724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31470281245685 (or 31470281245683 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 64.

The spelling of 125881124982724 in words is "one hundred twenty-five trillion, eight hundred eighty-one billion, one hundred twenty-four million, nine hundred eighty-two thousand, seven hundred twenty-four".