120256320 has 168 divisors, whose sum is σ = 404128224. Its totient is φ = 30292992.

The previous prime is 120256313. The next prime is 120256333. The reversal of 120256320 is 23652021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346387 + ... + 346733.

Almost surely, 2^120256320 is an apocalyptic number.

120256320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202064112).

120256320 is an abundant number, since it is smaller than the sum of its proper divisors (283871904).

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

120256320 is a wasteful number, since it uses less digits than its factorization.

120256320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120256320 is about 10966.1442631401. The cubic root of 120256320 is about 493.5933537155.

The spelling of 120256320 in words is "one hundred twenty million, two hundred fifty-six thousand, three hundred twenty".