128295 has 12 divisors (see below), whose sum is σ = 222456. Its totient is φ = 68400.

The previous prime is 128291. The next prime is 128311. The reversal of 128295 is 592821.

It is not a de Polignac number, because 128295 - 2² = 128291 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128291) 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 11 ways as a sum of consecutive naturals, for example, 1381 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (18538).

2¹²⁸²⁹⁵ is an apocalyptic number.

128295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128295 is a deficient number, since it is larger than the sum of its proper divisors (94161).

128295 is a wasteful number, since it uses less digits than its factorization.

128295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2859 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 128295 is about 358.1829141654. The cubic root of 128295 is about 50.4355286147.

The spelling of 128295 in words is "one hundred twenty-eight thousand, two hundred ninety-five".