120036144 has 20 divisors (see below), whose sum is σ = 310093496. Its totient is φ = 40012032.

The previous prime is 120036143. The next prime is 120036179. The reversal of 120036144 is 441630021.

It is a self number, because there is not a number n which added to its sum of digits gives 120036144.

It is not an unprimeable number, because it can be changed into a prime (120036143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250329 + ... + 1250424.

Almost surely, 2^120036144 is an apocalyptic number.

It is an amenable number.

120036144 is an abundant number, since it is smaller than the sum of its proper divisors (190057352).

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

120036144 is a wasteful number, since it uses less digits than its factorization.

120036144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500764 (or 2500758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120036144 is about 10956.1007662398. The cubic root of 120036144 is about 493.2919314334.

Adding to 120036144 its reverse (441630021), we get a palindrome (561666165).

The spelling of 120036144 in words is "one hundred twenty million, thirty-six thousand, one hundred forty-four".