120640516 has 12 divisors (see below), whose sum is σ = 212122960. Its totient is φ = 60033960.

The previous prime is 120640511. The next prime is 120640571. The reversal of 120640516 is 615046021.

It is not an unprimeable number, because it can be changed into a prime (120640511) 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, 70626 + ... + 72313.

Almost surely, 2^120640516 is an apocalyptic number.

It is an amenable number.

120640516 is a deficient number, since it is larger than the sum of its proper divisors (91482444).

120640516 is a wasteful number, since it uses less digits than its factorization.

120640516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143154 (or 143152 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 120640516 is about 10983.6476636862. The cubic root of 120640516 is about 494.1184404605.

Adding to 120640516 its reverse (615046021), we get a palindrome (735686537).

The spelling of 120640516 in words is "one hundred twenty million, six hundred forty thousand, five hundred sixteen".