120644324 has 12 divisors (see below), whose sum is σ = 215111484. Its totient is φ = 59183904.

The previous prime is 120644311. The next prime is 120644327. The reversal of 120644324 is 423446021.

It can be written as a sum of positive squares in 2 ways, for example, as 88924900 + 31719424 = 9430^2 + 5632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120644293 and 120644302.

It is not an unprimeable number, because it can be changed into a prime (120644327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284327 + ... + 284750.

It is an arithmetic number, because the mean of its divisors is an integer number (17925957).

Almost surely, 2^120644324 is an apocalyptic number.

It is an amenable number.

120644324 is a deficient number, since it is larger than the sum of its proper divisors (94467160).

120644324 is a wasteful number, since it uses less digits than its factorization.

120644324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569134 (or 569132 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 120644324 is about 10983.8210109233. The cubic root of 120644324 is about 494.1236393309.

The spelling of 120644324 in words is "one hundred twenty million, six hundred forty-four thousand, three hundred twenty-four".