128284882 has 32 divisors (see below), whose sum is σ = 218433024. Its totient is φ = 55977600.

The previous prime is 128284879. The next prime is 128284909. The reversal of 128284882 is 288482821.

It is a super-3 number, since 3×128284882³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92748 + ... + 94120.

It is an arithmetic number, because the mean of its divisors is an integer number (6826032).

Almost surely, 2^128284882 is an apocalyptic number.

128284882 is a deficient number, since it is larger than the sum of its proper divisors (90148142).

128284882 is a wasteful number, since it uses less digits than its factorization.

128284882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its digits is 131072, while the sum is 43.

The square root of 128284882 is about 11326.2916261237. The cubic root of 128284882 is about 504.3420271195.

The spelling of 128284882 in words is "one hundred twenty-eight million, two hundred eighty-four thousand, eight hundred eighty-two".