120321256 has 32 divisors (see below), whose sum is σ = 246787200. Its totient is φ = 54541440.

The previous prime is 120321239. The next prime is 120321259. The reversal of 120321256 is 652123021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120321259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34321 + ... + 37663.

It is an arithmetic number, because the mean of its divisors is an integer number (7712100).

Almost surely, 2^120321256 is an apocalyptic number.

It is an amenable number.

120321256 is an abundant number, since it is smaller than the sum of its proper divisors (126465944).

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

120321256 is a wasteful number, since it uses less digits than its factorization.

120321256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 120321256 is about 10969.1046125014. The cubic root of 120321256 is about 493.6821812316.

Adding to 120321256 its reverse (652123021), we get a palindrome (772444277).

The spelling of 120321256 in words is "one hundred twenty million, three hundred twenty-one thousand, two hundred fifty-six".