125012513876 has 6 divisors (see below), whose sum is σ = 218771899290. Its totient is φ = 62506256936.

The previous prime is 125012513827. The next prime is 125012513897. The reversal of 125012513876 is 678315210521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106978709776 + 18033804100 = 327076^2 + 134290^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626564231 + ... + 15626564238.

It is an arithmetic number, because the mean of its divisors is an integer number (36461983215).

Almost surely, 2^125012513876 is an apocalyptic number.

It is an amenable number.

125012513876 is a deficient number, since it is larger than the sum of its proper divisors (93759385414).

125012513876 is a wasteful number, since it uses less digits than its factorization.

125012513876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253128473 (or 31253128471 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 125012513876 in words is "one hundred twenty-five billion, twelve million, five hundred thirteen thousand, eight hundred seventy-six".