120252144 has 20 divisors (see below), whose sum is σ = 310651496. Its totient is φ = 40084032.

The previous prime is 120252107. The next prime is 120252151. The reversal of 120252144 is 441252021.

It is a self number, because there is not a number n which added to its sum of digits gives 120252144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252579 + ... + 1252674.

Almost surely, 2^120252144 is an apocalyptic number.

It is an amenable number.

120252144 is an abundant number, since it is smaller than the sum of its proper divisors (190399352).

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

120252144 is a wasteful number, since it uses less digits than its factorization.

120252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505264 (or 2505258 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 120252144 is about 10965.9538572803. The cubic root of 120252144 is about 493.5876401704.

The spelling of 120252144 in words is "one hundred twenty million, two hundred fifty-two thousand, one hundred forty-four".