120644075 has 6 divisors (see below), whose sum is σ = 149598684. Its totient is φ = 96515240.

The previous prime is 120643997. The next prime is 120644081. The reversal of 120644075 is 570446021.

It is not a de Polignac number, because 120644075 - 2¹² = 120639979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2412857 + ... + 2412906.

It is an arithmetic number, because the mean of its divisors is an integer number (24933114).

Almost surely, 2^120644075 is an apocalyptic number.

120644075 is a deficient number, since it is larger than the sum of its proper divisors (28954609).

120644075 is an equidigital number, since it uses as much as digits as its factorization.

120644075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825773 (or 4825768 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 120644075 is about 10983.8096760641. The cubic root of 120644075 is about 494.1232993871.

The spelling of 120644075 in words is "one hundred twenty million, six hundred forty-four thousand, seventy-five".