120004144 has 20 divisors (see below), whose sum is σ = 250393696. Its totient is φ = 55386432.

The previous prime is 120004127. The next prime is 120004147. The reversal of 120004144 is 441400021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (120004147) 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, 288264 + ... + 288679.

Almost surely, 2^120004144 is an apocalyptic number.

It is an amenable number.

120004144 is an abundant number, since it is smaller than the sum of its proper divisors (130389552).

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

120004144 is a wasteful number, since it uses less digits than its factorization.

120004144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576964 (or 576958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120004144 is about 10954.6402953269. The cubic root of 120004144 is about 493.2480925690.

Adding to 120004144 its reverse (441400021), we get a palindrome (561404165).

The spelling of 120004144 in words is "one hundred twenty million, four thousand, one hundred forty-four".