128480120 has 32 divisors (see below), whose sum is σ = 298408320. Its totient is φ = 49733760.

The previous prime is 128480119. The next prime is 128480129. The reversal of 128480120 is 21084821.

It is a self number, because there is not a number n which added to its sum of digits gives 128480120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128480129) 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, 50567 + ... + 53046.

It is an arithmetic number, because the mean of its divisors is an integer number (9325260).

Almost surely, 2^128480120 is an apocalyptic number.

128480120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128480120 is an abundant number, since it is smaller than the sum of its proper divisors (169928200).

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

128480120 is a wasteful number, since it uses less digits than its factorization.

128480120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103655 (or 103651 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 128480120 is about 11334.9071456276. The cubic root of 128480120 is about 504.5977517663.

It can be divided in two parts, 1284801 and 20, that added together give a palindrome (1284821).

The spelling of 128480120 in words is "one hundred twenty-eight million, four hundred eighty thousand, one hundred twenty".