128882841 has 8 divisors (see below), whose sum is σ = 177387264. Its totient is φ = 83150160.

The previous prime is 128882839. The next prime is 128882849. The reversal of 128882841 is 148288821.

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

It is not a de Polignac number, because 128882841 - 2¹ = 128882839 is a prime.

It is a super-2 number, since 2×128882841² = 33221573408462562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 128882793 and 128882802.

It is not an unprimeable number, because it can be changed into a prime (128882849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692826 + ... + 693011.

It is an arithmetic number, because the mean of its divisors is an integer number (22173408).

Almost surely, 2^128882841 is an apocalyptic number.

It is an amenable number.

128882841 is a deficient number, since it is larger than the sum of its proper divisors (48504423).

128882841 is a wasteful number, since it uses less digits than its factorization.

128882841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385871.

The product of its digits is 65536, while the sum is 42.

The square root of 128882841 is about 11352.6578826282. The cubic root of 128882841 is about 505.1244225003.

The spelling of 128882841 in words is "one hundred twenty-eight million, eight hundred eighty-two thousand, eight hundred forty-one".