120520072 has 16 divisors (see below), whose sum is σ = 239268060. Its totient is φ = 56715264.

The previous prime is 120520031. The next prime is 120520073. The reversal of 120520072 is 270025021.

It can be written as a sum of positive squares in 2 ways, for example, as 108451396 + 12068676 = 10414^2 + 3474^2 .

It is not an unprimeable number, because it can be changed into a prime (120520073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442953 + ... + 443224.

Almost surely, 2^120520072 is an apocalyptic number.

It is an amenable number.

120520072 is a deficient number, since it is larger than the sum of its proper divisors (118747988).

120520072 is a wasteful number, since it uses less digits than its factorization.

120520072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886200 (or 886196 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 120520072 is about 10978.1634165283. The cubic root of 120520072 is about 493.9539478562.

Adding to 120520072 its reverse (270025021), we get a palindrome (390545093).

The spelling of 120520072 in words is "one hundred twenty million, five hundred twenty thousand, seventy-two".