120432656456 has 32 divisors (see below), whose sum is σ = 258422139840. Its totient is φ = 51543563328.

The previous prime is 120432656447. The next prime is 120432656489. The reversal of 120432656456 is 654656234021.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1425926 + ... + 1508021.

It is an arithmetic number, because the mean of its divisors is an integer number (8075691870).

Almost surely, 2^120432656456 is an apocalyptic number.

It is an amenable number.

120432656456 is an abundant number, since it is smaller than the sum of its proper divisors (137989483384).

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

120432656456 is a wasteful number, since it uses less digits than its factorization.

120432656456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934693 (or 2934689 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 120432656456 in words is "one hundred twenty billion, four hundred thirty-two million, six hundred fifty-six thousand, four hundred fifty-six".