128034882 has 96 divisors (see below), whose sum is σ = 312923520. Its totient is φ = 37635840.

The previous prime is 128034853. The next prime is 128034883. The reversal of 128034882 is 288430821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128034883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322308 + ... + 322704.

It is an arithmetic number, because the mean of its divisors is an integer number (3259620).

Almost surely, 2^128034882 is an apocalyptic number.

128034882 is the 5658-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128034882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156461760).

128034882 is an abundant number, since it is smaller than the sum of its proper divisors (184888638).

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

128034882 is a wasteful number, since it uses less digits than its factorization.

128034882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 128034882 is about 11315.2499751442. The cubic root of 128034882 is about 504.0141955563.

The spelling of 128034882 in words is "one hundred twenty-eight million, thirty-four thousand, eight hundred eighty-two".