120544644 has 24 divisors (see below), whose sum is σ = 306841248. Its totient is φ = 36528640.

The previous prime is 120544621. The next prime is 120544649. The reversal of 120544644 is 446445021.

It is a happy number.

It is a super-2 number, since 2×120544644² = 29062022394173472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (120544649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456477 + ... + 456740.

It is an arithmetic number, because the mean of its divisors is an integer number (12785052).

Almost surely, 2^120544644 is an apocalyptic number.

It is an amenable number.

120544644 is an abundant number, since it is smaller than the sum of its proper divisors (186296604).

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

120544644 is a wasteful number, since it uses less digits than its factorization.

120544644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913235 (or 913233 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 120544644 is about 10979.2824902177. The cubic root of 120544644 is about 493.9875151877.

Adding to 120544644 its reverse (446445021), we get a palindrome (566989665).

The spelling of 120544644 in words is "one hundred twenty million, five hundred forty-four thousand, six hundred forty-four".