120700520 has 32 divisors (see below), whose sum is σ = 272050920. Its totient is φ = 48195840.

The previous prime is 120700519. The next prime is 120700529. The reversal of 120700520 is 25007021.

It can be written as a sum of positive squares in 4 ways, for example, as 74269924 + 46430596 = 8618^2 + 6814^2 .

It is not an unprimeable number, because it can be changed into a prime (120700529) 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, 23810 + ... + 28430.

Almost surely, 2^120700520 is an apocalyptic number.

120700520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120700520 is an abundant number, since it is smaller than the sum of its proper divisors (151350400).

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

120700520 is a wasteful number, since it uses less digits than its factorization.

120700520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 120700520 is about 10986.3788392718. The cubic root of 120700520 is about 494.2003481800.

Adding to 120700520 its reverse (25007021), we get a palindrome (145707541).

The spelling of 120700520 in words is "one hundred twenty million, seven hundred thousand, five hundred twenty".