128882 has 8 divisors (see below), whose sum is σ = 208236. Its totient is φ = 59472.

The previous prime is 128879. The next prime is 128903. The reversal of 128882 is 288821.

It is a Cunningham number, because it is equal to 359²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 128881 + 1 = 359^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128882² = 33221139848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 2504.

2¹²⁸⁸⁸² is an apocalyptic number.

128882 is a deficient number, since it is larger than the sum of its proper divisors (79354).

128882 is a wasteful number, since it uses less digits than its factorization.

128882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972.

The product of its digits is 2048, while the sum is 29.

The square root of 128882 is about 359.0013927550. The cubic root of 128882 is about 50.5123323801.

It can be divided in two parts, 128 and 882, that multiplied together give a square (112896 = 336²).

The spelling of 128882 in words is "one hundred twenty-eight thousand, eight hundred eighty-two".