120039808 has 48 divisors (see below), whose sum is σ = 278199900. Its totient is φ = 51442944.

The previous prime is 120039793. The next prime is 120039809. The reversal of 120039808 is 808930021.

It is a self number, because there is not a number n which added to its sum of digits gives 120039808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120039809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3298 + ... + 15841.

Almost surely, 2^120039808 is an apocalyptic number.

It is an amenable number.

120039808 is an abundant number, since it is smaller than the sum of its proper divisors (158160092).

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

120039808 is an equidigital number, since it uses as much as digits as its factorization.

120039808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167 (or 19148 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 120039808 is about 10956.2679777377. The cubic root of 120039808 is about 493.2969504863.

Adding to 120039808 its reverse (808930021), we get a palindrome (928969829).

The spelling of 120039808 in words is "one hundred twenty million, thirty-nine thousand, eight hundred eight".