120188488 has 32 divisors (see below), whose sum is σ = 265858560. Its totient is φ = 49847040.

The previous prime is 120188479. The next prime is 120188489. The reversal of 120188488 is 884881021.

It is a super-2 number, since 2×120188488² = 28890545295452288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120188488.

It is not an unprimeable number, because it can be changed into a prime (120188489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32881 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (8308080).

Almost surely, 2^120188488 is an apocalyptic number.

It is an amenable number.

120188488 is an abundant number, since it is smaller than the sum of its proper divisors (145670072).

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

120188488 is a wasteful number, since it uses less digits than its factorization.

120188488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69277 (or 69273 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 40.

The square root of 120188488 is about 10963.0510351818. The cubic root of 120188488 is about 493.5005305371.

The spelling of 120188488 in words is "one hundred twenty million, one hundred eighty-eight thousand, four hundred eighty-eight".