120988280 has 64 divisors (see below), whose sum is σ = 324656640. Its totient is φ = 39676032.

The previous prime is 120988277. The next prime is 120988321. The reversal of 120988280 is 82889021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2954 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^120988280 is an apocalyptic number.

120988280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120988280 is an abundant number, since it is smaller than the sum of its proper divisors (203668360).

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

120988280 is a wasteful number, since it uses less digits than its factorization.

120988280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828 (or 18824 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 120988280 is about 10999.4672598267. The cubic root of 120988280 is about 494.5927746233.

The spelling of 120988280 in words is "one hundred twenty million, nine hundred eighty-eight thousand, two hundred eighty".