128058589 has 2 divisors, whose sum is σ = 128058590. Its totient is φ = 128058588.

The previous prime is 128058587. The next prime is 128058617. The reversal of 128058589 is 985850821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 25704900 = 10117^2 + 5070^2 .

It is a cyclic number.

It is not a de Polignac number, because 128058589 - 2¹ = 128058587 is a prime.

Together with 128058587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128058587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64029294 + 64029295.

It is an arithmetic number, because the mean of its divisors is an integer number (64029295).

Almost surely, 2^128058589 is an apocalyptic number.

It is an amenable number.

128058589 is a deficient number, since it is larger than the sum of its proper divisors (1).

128058589 is an equidigital number, since it uses as much as digits as its factorization.

128058589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 128058589 is about 11316.2974952058. The cubic root of 128058589 is about 504.0453014731.

The spelling of 128058589 in words is "one hundred twenty-eight million, fifty-eight thousand, five hundred eighty-nine".