120809328 has 40 divisors (see below), whose sum is σ = 316051200. Its totient is φ = 39758784.

The previous prime is 120809323. The next prime is 120809333. The reversal of 120809328 is 823908021.

It is an interprime number because it is at equal distance from previous prime (120809323) and next prime (120809333).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120809323) 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, 12138 + ... + 19721.

It is an arithmetic number, because the mean of its divisors is an integer number (7901280).

Almost surely, 2^120809328 is an apocalyptic number.

It is an amenable number.

120809328 is an abundant number, since it is smaller than the sum of its proper divisors (195241872).

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

120809328 is a wasteful number, since it uses less digits than its factorization.

120809328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31949 (or 31943 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 120809328 is about 10991.3296738839. The cubic root of 120809328 is about 494.3488059810.

The spelling of 120809328 in words is "one hundred twenty million, eight hundred nine thousand, three hundred twenty-eight".