128800589 has 8 divisors (see below), whose sum is σ = 132593400. Its totient is φ = 125024256.

The previous prime is 128800583. The next prime is 128800643. The reversal of 128800589 is 985008821.

It can be written as a sum of positive squares in 4 ways, for example, as 95218564 + 33582025 = 9758^2 + 5795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128800589 - 2⁸ = 128800333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128800583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (16574175).

Almost surely, 2^128800589 is an apocalyptic number.

It is an amenable number.

128800589 is a deficient number, since it is larger than the sum of its proper divisors (3792811).

128800589 is an equidigital number, since it uses as much as digits as its factorization.

128800589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 128800589 is about 11349.0347166620. The cubic root of 128800589 is about 505.0169441754.

The spelling of 128800589 in words is "one hundred twenty-eight million, eight hundred thousand, five hundred eighty-nine".