125121704 has 16 divisors (see below), whose sum is σ = 242171520. Its totient is φ = 60542640.

The previous prime is 125121691. The next prime is 125121721. The reversal of 125121704 is 407121521.

It is a self number, because there is not a number n which added to its sum of digits gives 125121704.

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, 252014 + ... + 252509.

It is an arithmetic number, because the mean of its divisors is an integer number (15135720).

Almost surely, 2^125121704 is an apocalyptic number.

It is an amenable number.

125121704 is a deficient number, since it is larger than the sum of its proper divisors (117049816).

125121704 is a wasteful number, since it uses less digits than its factorization.

125121704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504560 (or 504556 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 125121704 is about 11185.7813316728. The cubic root of 125121704 is about 500.1622193641.

The spelling of 125121704 in words is "one hundred twenty-five million, one hundred twenty-one thousand, seven hundred four".