128159 has 2 divisors, whose sum is σ = 128160. Its totient is φ = 128158.

The previous prime is 128153. The next prime is 128173. The reversal of 128159 is 951821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64079 + 64080.

It is an arithmetic number, because the mean of its divisors is an integer number (64080).

2¹²⁸¹⁵⁹ is an apocalyptic number.

128159 is a deficient number, since it is larger than the sum of its proper divisors (1).

128159 is an equidigital number, since it uses as much as digits as its factorization.

128159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 26.

The square root of 128159 is about 357.9930166917. The cubic root of 128159 is about 50.4177008037.

The spelling of 128159 in words is "one hundred twenty-eight thousand, one hundred fifty-nine".