128884260 has 24 divisors (see below), whose sum is σ = 360876096. Its totient is φ = 34369120.

The previous prime is 128884253. The next prime is 128884271. The reversal of 128884260 is 62488821.

It is a super-2 number, since 2×128884260² = 33222304951495200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073976 + ... + 1074095.

It is an arithmetic number, because the mean of its divisors is an integer number (15036504).

Almost surely, 2^128884260 is an apocalyptic number.

128884260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128884260 is an abundant number, since it is smaller than the sum of its proper divisors (231991836).

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

128884260 is a wasteful number, since it uses less digits than its factorization.

128884260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148083 (or 2148081 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 128884260 is about 11352.7203788343. The cubic root of 128884260 is about 505.1262763000.

The spelling of 128884260 in words is "one hundred twenty-eight million, eight hundred eighty-four thousand, two hundred sixty".