128411 has 2 divisors, whose sum is σ = 128412. Its totient is φ = 128410.

The previous prime is 128399. The next prime is 128413. The reversal of 128411 is 114821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128411 - 2⁶ = 128347 is a prime.

Together with 128413, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128411.

It is not a weakly prime, because it can be changed into another prime (128413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64205 + 64206.

It is an arithmetic number, because the mean of its divisors is an integer number (64206).

2¹²⁸⁴¹¹ is an apocalyptic number.

128411 is a deficient number, since it is larger than the sum of its proper divisors (1).

128411 is an equidigital number, since it uses as much as digits as its factorization.

128411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 128411 is about 358.3448060179. The cubic root of 128411 is about 50.4507247355.

The spelling of 128411 in words is "one hundred twenty-eight thousand, four hundred eleven".