128885411 has 2 divisors, whose sum is σ = 128885412. Its totient is φ = 128885410.

The previous prime is 128885389. The next prime is 128885431. The reversal of 128885411 is 114588821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128885411 is a prime.

It is a super-2 number, since 2×128885411² = 33222898337277842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128885431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64442705 + 64442706.

It is an arithmetic number, because the mean of its divisors is an integer number (64442706).

Almost surely, 2^128885411 is an apocalyptic number.

128885411 is a deficient number, since it is larger than the sum of its proper divisors (1).

128885411 is an equidigital number, since it uses as much as digits as its factorization.

128885411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 38.

The square root of 128885411 is about 11352.7710714169. The cubic root of 128885411 is about 505.1277799711.

The spelling of 128885411 in words is "one hundred twenty-eight million, eight hundred eighty-five thousand, four hundred eleven".