120406444 has 12 divisors (see below), whose sum is σ = 223106184. Its totient is φ = 56661824.

The previous prime is 120406441. The next prime is 120406459. The reversal of 120406444 is 444604021.

It is not an unprimeable number, because it can be changed into a prime (120406441) 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, 885274 + ... + 885409.

It is an arithmetic number, because the mean of its divisors is an integer number (18592182).

Almost surely, 2^120406444 is an apocalyptic number.

It is an amenable number.

120406444 is a deficient number, since it is larger than the sum of its proper divisors (102699740).

120406444 is a wasteful number, since it uses less digits than its factorization.

120406444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770704 (or 1770702 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 120406444 is about 10972.9870135711. The cubic root of 120406444 is about 493.7986634940.

The spelling of 120406444 in words is "one hundred twenty million, four hundred six thousand, four hundred forty-four".