120928055 has 16 divisors (see below), whose sum is σ = 158609664. Its totient is φ = 88112640.

The previous prime is 120928051. The next prime is 120928061. The reversal of 120928055 is 550829021.

It is not a de Polignac number, because 120928055 - 2² = 120928051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120928051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20312 + ... + 25581.

It is an arithmetic number, because the mean of its divisors is an integer number (9913104).

Almost surely, 2^120928055 is an apocalyptic number.

120928055 is a deficient number, since it is larger than the sum of its proper divisors (37681609).

120928055 is a wasteful number, since it uses less digits than its factorization.

120928055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45946.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 120928055 is about 10996.7292864742. The cubic root of 120928055 is about 494.5106956164.

The spelling of 120928055 in words is "one hundred twenty million, nine hundred twenty-eight thousand, fifty-five".