885129 has 16 divisors (see below), whose sum is σ = 1364352. Its totient is φ = 499968.

The previous prime is 885127. The next prime is 885133. The reversal of 885129 is 921588.

It is a happy number.

It is not a de Polignac number, because 885129 - 2¹ = 885127 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 885129.

It is not an unprimeable number, because it can be changed into a prime (885127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (85272).

2⁸⁸⁵¹²⁹ is an apocalyptic number.

It is an amenable number.

885129 is a deficient number, since it is larger than the sum of its proper divisors (479223).

885129 is a wasteful number, since it uses less digits than its factorization.

885129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 5760, while the sum is 33.

The square root of 885129 is about 940.8129463395. The cubic root of 885129 is about 96.0142123056.

The spelling of 885129 in words is "eight hundred eighty-five thousand, one hundred twenty-nine".