128351080 has 128 divisors (see below), whose sum is σ = 357436800. Its totient is φ = 40780800.

The previous prime is 128351077. The next prime is 128351131. The reversal of 128351080 is 80153821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108090 + ... + 109270.

It is an arithmetic number, because the mean of its divisors is an integer number (2792475).

Almost surely, 2^128351080 is an apocalyptic number.

128351080 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 128351080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178718400).

128351080 is an abundant number, since it is smaller than the sum of its proper divisors (229085720).

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

128351080 is a wasteful number, since it uses less digits than its factorization.

128351080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 128351080 is about 11329.2135649391. The cubic root of 128351080 is about 504.4287629632.

The spelling of 128351080 in words is "one hundred twenty-eight million, three hundred fifty-one thousand, eighty".