725320124 has 12 divisors (see below), whose sum is σ = 1270563000. Its totient is φ = 362302128.

The previous prime is 725320103. The next prime is 725320153. The reversal of 725320124 is 421023527.

It is a junction number, because it is equal to n+sod(n) for n = 725320093 and 725320102.

It is a congruent number.

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, 84899 + ... + 93050.

It is an arithmetic number, because the mean of its divisors is an integer number (105880250).

Almost surely, 2^725320124 is an apocalyptic number.

It is an amenable number.

725320124 is a deficient number, since it is larger than the sum of its proper divisors (545242876).

725320124 is a wasteful number, since it uses less digits than its factorization.

725320124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178972 (or 178970 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 725320124 is about 26931.7679330563. The cubic root of 725320124 is about 898.4830924970.

The spelling of 725320124 in words is "seven hundred twenty-five million, three hundred twenty thousand, one hundred twenty-four".