120239280 has 120 divisors (see below), whose sum is σ = 461509152. Its totient is φ = 27482112.

The previous prime is 120239279. The next prime is 120239293. The reversal of 120239280 is 82932021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 6889 + ... + 16968.

Almost surely, 2^120239280 is an apocalyptic number.

120239280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120239280 is an abundant number, since it is smaller than the sum of its proper divisors (341269872).

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

120239280 is a wasteful number, since it uses less digits than its factorization.

120239280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883 (or 23874 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 120239280 is about 10965.3672989098. The cubic root of 120239280 is about 493.5700389934.

The spelling of 120239280 in words is "one hundred twenty million, two hundred thirty-nine thousand, two hundred eighty".