120215256 has 32 divisors (see below), whose sum is σ = 343472640. Its totient is φ = 34347168.

The previous prime is 120215243. The next prime is 120215281. The reversal of 120215256 is 652512021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357616 + ... + 357951.

It is an arithmetic number, because the mean of its divisors is an integer number (10733520).

Almost surely, 2^120215256 is an apocalyptic number.

It is an amenable number.

120215256 is an abundant number, since it is smaller than the sum of its proper divisors (223257384).

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

120215256 is a wasteful number, since it uses less digits than its factorization.

120215256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715583 (or 715579 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 120215256 is about 10964.2717952448. The cubic root of 120215256 is about 493.5371647768.

Adding to 120215256 its reverse (652512021), we get a palindrome (772727277).

The spelling of 120215256 in words is "one hundred twenty million, two hundred fifteen thousand, two hundred fifty-six".