120128808 has 16 divisors (see below), whose sum is σ = 300322080. Its totient is φ = 40042928.

The previous prime is 120128807. The next prime is 120128819. The reversal of 120128808 is 808821021.

It is not an unprimeable number, because it can be changed into a prime (120128803) 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, 2502660 + ... + 2502707.

It is an arithmetic number, because the mean of its divisors is an integer number (18770130).

Almost surely, 2^120128808 is an apocalyptic number.

It is an amenable number.

120128808 is an abundant number, since it is smaller than the sum of its proper divisors (180193272).

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

120128808 is a wasteful number, since it uses less digits than its factorization.

120128808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005376 (or 5005372 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 120128808 is about 10960.3288271840. The cubic root of 120128808 is about 493.4188338945.

Adding to 120128808 its reverse (808821021), we get a palindrome (928949829).

The spelling of 120128808 in words is "one hundred twenty million, one hundred twenty-eight thousand, eight hundred eight".