128858159 has 2 divisors, whose sum is σ = 128858160. Its totient is φ = 128858158.

The previous prime is 128858131. The next prime is 128858173. The reversal of 128858159 is 951858821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (951858821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128858159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128858179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64429079 + 64429080.

It is an arithmetic number, because the mean of its divisors is an integer number (64429080).

Almost surely, 2^128858159 is an apocalyptic number.

128858159 is a deficient number, since it is larger than the sum of its proper divisors (1).

128858159 is an equidigital number, since it uses as much as digits as its factorization.

128858159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 47.

The square root of 128858159 is about 11351.5707723645. The cubic root of 128858159 is about 505.0921754433.

The spelling of 128858159 in words is "one hundred twenty-eight million, eight hundred fifty-eight thousand, one hundred fifty-nine".