120995280 has 120 divisors (see below), whose sum is σ = 464410752. Its totient is φ = 27654912.

The previous prime is 120995257. The next prime is 120995293. The reversal of 120995280 is 82599021.

120995280 is a `hidden beast` number, since 120 + 9 + 9 + 528 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6964 + ... + 17043.

Almost surely, 2^120995280 is an apocalyptic number.

120995280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120995280 is an abundant number, since it is smaller than the sum of its proper divisors (343415472).

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

120995280 is a wasteful number, since it uses less digits than its factorization.

120995280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24033 (or 24024 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 120995280 is about 10999.7854524532. The cubic root of 120995280 is about 494.6023129650.

The spelling of 120995280 in words is "one hundred twenty million, nine hundred ninety-five thousand, two hundred eighty".