120531516 has 48 divisors (see below), whose sum is σ = 338338560. Its totient is φ = 32624640.

The previous prime is 120531493. The next prime is 120531553. The reversal of 120531516 is 615135021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36165 + ... + 39356.

It is an arithmetic number, because the mean of its divisors is an integer number (7048720).

Almost surely, 2^120531516 is an apocalyptic number.

It is an amenable number.

120531516 is an abundant number, since it is smaller than the sum of its proper divisors (217807044).

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

120531516 is a wasteful number, since it uses less digits than its factorization.

120531516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75554 (or 75552 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 120531516 is about 10978.6846206638. The cubic root of 120531516 is about 493.9695818497.

Adding to 120531516 its reverse (615135021), we get a palindrome (735666537).

The spelling of 120531516 in words is "one hundred twenty million, five hundred thirty-one thousand, five hundred sixteen".