128281888 has 24 divisors (see below), whose sum is σ = 288634752. Its totient is φ = 54977856.

The previous prime is 128281883. The next prime is 128281891. The reversal of 128281888 is 888182821.

It is a super-3 number, since 3×128281888³ (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (128281883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286120 + ... + 286567.

It is an arithmetic number, because the mean of its divisors is an integer number (12026448).

Almost surely, 2^128281888 is an apocalyptic number.

It is an amenable number.

128281888 is an abundant number, since it is smaller than the sum of its proper divisors (160352864).

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

128281888 is an equidigital number, since it uses as much as digits as its factorization.

128281888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572704 (or 572696 counting only the distinct ones).

The product of its digits is 131072, while the sum is 46.

The square root of 128281888 is about 11326.1594549962. The cubic root of 128281888 is about 504.3381035297.

The spelling of 128281888 in words is "one hundred twenty-eight million, two hundred eighty-one thousand, eight hundred eighty-eight".