120516520 has 16 divisors (see below), whose sum is σ = 271162260. Its totient is φ = 48206592.

The previous prime is 120516509. The next prime is 120516569. The reversal of 120516520 is 25615021.

It can be written as a sum of positive squares in 2 ways, for example, as 120516484 + 36 = 10978^2 + 6^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120516491 and 120516500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506417 + ... + 1506496.

Almost surely, 2^120516520 is an apocalyptic number.

120516520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120516520 is an abundant number, since it is smaller than the sum of its proper divisors (150645740).

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

120516520 is a wasteful number, since it uses less digits than its factorization.

120516520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012924 (or 3012920 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120516520 is about 10978.0016396428. The cubic root of 120516520 is about 493.9490951606.

The spelling of 120516520 in words is "one hundred twenty million, five hundred sixteen thousand, five hundred twenty".