120128320 has 112 divisors (see below), whose sum is σ = 313383168. Its totient is φ = 43591680.

The previous prime is 120128303. The next prime is 120128321. The reversal of 120128320 is 23821021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120128321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278505 + ... + 278935.

It is an arithmetic number, because the mean of its divisors is an integer number (2798064).

Almost surely, 2^120128320 is an apocalyptic number.

120128320 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 120128320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156691584).

120128320 is an abundant number, since it is smaller than the sum of its proper divisors (193254848).

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

120128320 is a wasteful number, since it uses less digits than its factorization.

120128320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120128320 is about 10960.3065650556. The cubic root of 120128320 is about 493.4181657541.

Adding to 120128320 its reverse (23821021), we get a palindrome (143949341).

The spelling of 120128320 in words is "one hundred twenty million, one hundred twenty-eight thousand, three hundred twenty".