120432656 has 20 divisors (see below), whose sum is σ = 236294400. Its totient is φ = 59453472.

The previous prime is 120432649. The next prime is 120432661. The reversal of 120432656 is 656234021.

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, 46376 + ... + 48903.

It is an arithmetic number, because the mean of its divisors is an integer number (11814720).

Almost surely, 2^120432656 is an apocalyptic number.

120432656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120432656 is a deficient number, since it is larger than the sum of its proper divisors (115861744).

120432656 is an equidigital number, since it uses as much as digits as its factorization.

120432656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95366 (or 95360 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 120432656 is about 10974.1813362091. The cubic root of 120432656 is about 493.8344935570.

Adding to 120432656 its reverse (656234021), we get a palindrome (776666677).

The spelling of 120432656 in words is "one hundred twenty million, four hundred thirty-two thousand, six hundred fifty-six".