128116080 has 200 divisors, whose sum is σ = 471545712. Its totient is φ = 32126976.

The previous prime is 128116073. The next prime is 128116091. The reversal of 128116080 is 80611821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109579 + ... + 110741.

Almost surely, 2^128116080 is an apocalyptic number.

128116080 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 128116080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235772856).

128116080 is an abundant number, since it is smaller than the sum of its proper divisors (343429632).

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

128116080 is a wasteful number, since it uses less digits than its factorization.

128116080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 128116080 is about 11318.8373961286. The cubic root of 128116080 is about 504.1207193820.

The spelling of 128116080 in words is "one hundred twenty-eight million, one hundred sixteen thousand, eighty".