128595 has 8 divisors (see below), whose sum is σ = 205776. Its totient is φ = 68576.

The previous prime is 128591. The next prime is 128599. The reversal of 128595 is 595821.

128595 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (128591) and next prime (128599).

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 128595 - 2² = 128591 is a prime.

128595 is strictly pandigital in base 7.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (128591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (25722).

2¹²⁸⁵⁹⁵ is an apocalyptic number.

128595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128595 is a deficient number, since it is larger than the sum of its proper divisors (77181).

128595 is an equidigital number, since it uses as much as digits as its factorization.

128595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581.

The product of its digits is 3600, while the sum is 30.

The square root of 128595 is about 358.6014500807. The cubic root of 128595 is about 50.4748101670.

The spelling of 128595 in words is "one hundred twenty-eight thousand, five hundred ninety-five".