128426159 has 2 divisors, whose sum is σ = 128426160. Its totient is φ = 128426158.

The previous prime is 128426153. The next prime is 128426161. The reversal of 128426159 is 951624821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128426159 - 2⁸ = 128425903 is a prime.

Together with 128426161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128426153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64213079 + 64213080.

It is an arithmetic number, because the mean of its divisors is an integer number (64213080).

Almost surely, 2^128426159 is an apocalyptic number.

128426159 is a deficient number, since it is larger than the sum of its proper divisors (1).

128426159 is an equidigital number, since it uses as much as digits as its factorization.

128426159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 128426159 is about 11332.5265938360. The cubic root of 128426159 is about 504.5270990403.

The spelling of 128426159 in words is "one hundred twenty-eight million, four hundred twenty-six thousand, one hundred fifty-nine".