120013788 has 48 divisors (see below), whose sum is σ = 286191360. Its totient is φ = 39131904.

The previous prime is 120013787. The next prime is 120013799. The reversal of 120013788 is 887310021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238345 + ... + 238847.

It is an arithmetic number, because the mean of its divisors is an integer number (5962320).

Almost surely, 2^120013788 is an apocalyptic number.

It is an amenable number.

120013788 is an abundant number, since it is smaller than the sum of its proper divisors (166177572).

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

120013788 is a wasteful number, since it uses less digits than its factorization.

120013788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 120013788 is about 10955.0804652453. The cubic root of 120013788 is about 493.2613053271.

The spelling of 120013788 in words is "one hundred twenty million, thirteen thousand, seven hundred eighty-eight".