128359 has 8 divisors (see below), whose sum is σ = 160128. Its totient is φ = 99960.

The previous prime is 128351. The next prime is 128377. The reversal of 128359 is 953821.

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

It is not a de Polignac number, because 128359 - 2³ = 128351 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 (128351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (20016).

2¹²⁸³⁵⁹ is an apocalyptic number.

128359 is a deficient number, since it is larger than the sum of its proper divisors (31769).

128359 is a wasteful number, since it uses less digits than its factorization.

128359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its digits is 2160, while the sum is 28.

The square root of 128359 is about 358.2722428545. The cubic root of 128359 is about 50.4439138135.

The spelling of 128359 in words is "one hundred twenty-eight thousand, three hundred fifty-nine".