120556544 has 22 divisors (see below), whose sum is σ = 240997404. Its totient is φ = 60277760.

The previous prime is 120556543. The next prime is 120556573. The reversal of 120556544 is 445655021.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 120556544.

It is not an unprimeable number, because it can be changed into a prime (120556543) by changing a digit.

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 as a sum of consecutive naturals, namely, 57842 + ... + 59889.

Almost surely, 2^120556544 is an apocalyptic number.

It is an amenable number.

120556544 is a deficient number, since it is larger than the sum of its proper divisors (120440860).

120556544 is an equidigital number, since it uses as much as digits as its factorization.

120556544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117751 (or 117733 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 120556544 is about 10979.8244066105. The cubic root of 120556544 is about 494.0037699068.

The spelling of 120556544 in words is "one hundred twenty million, five hundred fifty-six thousand, five hundred forty-four".