120238724 has 12 divisors (see below), whose sum is σ = 210765324. Its totient is φ = 60020064.

The previous prime is 120238717. The next prime is 120238751. The reversal of 120238724 is 427832021.

It can be written as a sum of positive squares in 2 ways, for example, as 55950400 + 64288324 = 7480^2 + 8018^2 .

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, 22067 + ... + 26970.

It is an arithmetic number, because the mean of its divisors is an integer number (17563777).

Almost surely, 2^120238724 is an apocalyptic number.

It is an amenable number.

120238724 is a deficient number, since it is larger than the sum of its proper divisors (90526600).

120238724 is a wasteful number, since it uses less digits than its factorization.

120238724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49654 (or 49652 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 120238724 is about 10965.3419463325. The cubic root of 120238724 is about 493.5692782177.

The spelling of 120238724 in words is "one hundred twenty million, two hundred thirty-eight thousand, seven hundred twenty-four".