120423056 has 20 divisors (see below), whose sum is σ = 251267772. Its totient is φ = 55579776.

The previous prime is 120423041. The next prime is 120423073. The reversal of 120423056 is 650324021.

It can be written as a sum of positive squares in 2 ways, for example, as 62663056 + 57760000 = 7916^2 + 7600^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289271 + ... + 289686.

Almost surely, 2^120423056 is an apocalyptic number.

120423056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120423056 is an abundant number, since it is smaller than the sum of its proper divisors (130844716).

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

120423056 is a wasteful number, since it uses less digits than its factorization.

120423056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578978 (or 578972 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 120423056 is about 10973.7439372349. The cubic root of 120423056 is about 493.8213715980.

Adding to 120423056 its reverse (650324021), we get a palindrome (770747077).

The spelling of 120423056 in words is "one hundred twenty million, four hundred twenty-three thousand, fifty-six".