120644106 has 32 divisors (see below), whose sum is σ = 265794048. Its totient is φ = 36201840.

The previous prime is 120644081. The next prime is 120644113. The reversal of 120644106 is 601446021.

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 15 ways as a sum of consecutive naturals, for example, 2076 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (8306064).

Almost surely, 2^120644106 is an apocalyptic number.

120644106 is an abundant number, since it is smaller than the sum of its proper divisors (145149942).

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

120644106 is a wasteful number, since it uses less digits than its factorization.

120644106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 120644106 is about 10983.8110872320. The cubic root of 120644106 is about 494.1233417094.

The spelling of 120644106 in words is "one hundred twenty million, six hundred forty-four thousand, one hundred six".