125121976 has 32 divisors (see below), whose sum is σ = 273183840. Its totient is φ = 52610688.

The previous prime is 125121961. The next prime is 125121977. The reversal of 125121976 is 679121521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125121977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18111 + ... + 24046.

It is an arithmetic number, because the mean of its divisors is an integer number (8536995).

Almost surely, 2^125121976 is an apocalyptic number.

It is an amenable number.

125121976 is an abundant number, since it is smaller than the sum of its proper divisors (148061864).

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

125121976 is a wasteful number, since it uses less digits than its factorization.

125121976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42223 (or 42219 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 125121976 is about 11185.7934899586. The cubic root of 125121976 is about 500.1625817953.

The spelling of 125121976 in words is "one hundred twenty-five million, one hundred twenty-one thousand, nine hundred seventy-six".