120755478 has 64 divisors (see below), whose sum is σ = 262840320. Its totient is φ = 36892800.

The previous prime is 120755461. The next prime is 120755489. The reversal of 120755478 is 874557021.

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 31 ways as a sum of consecutive naturals, for example, 328851 + ... + 329217.

It is an arithmetic number, because the mean of its divisors is an integer number (4106880).

Almost surely, 2^120755478 is an apocalyptic number.

120755478 is an abundant number, since it is smaller than the sum of its proper divisors (142084842).

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

120755478 is a wasteful number, since it uses less digits than its factorization.

120755478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 120755478 is about 10988.8797427217. The cubic root of 120755478 is about 494.2753441053.

The spelling of 120755478 in words is "one hundred twenty million, seven hundred fifty-five thousand, four hundred seventy-eight".