125487261772 has 12 divisors (see below), whose sum is σ = 219728856256. Its totient is φ = 62707588560.

The previous prime is 125487261763. The next prime is 125487261773. The reversal of 125487261772 is 277162784521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125487261773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002748 + ... + 9016675.

Almost surely, 2^125487261772 is an apocalyptic number.

It is an amenable number.

125487261772 is a deficient number, since it is larger than the sum of its proper divisors (94241594484).

125487261772 is a wasteful number, since it uses less digits than its factorization.

125487261772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021168 (or 18021166 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 52.

The spelling of 125487261772 in words is "one hundred twenty-five billion, four hundred eighty-seven million, two hundred sixty-one thousand, seven hundred seventy-two".