881265 has 48 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 362880.

The previous prime is 881249. The next prime is 881269. The reversal of 881265 is 562188.

It is not a de Polignac number, because 881265 - 2⁴ = 881249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881269) 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 47 ways as a sum of consecutive naturals, for example, 8031 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2⁸⁸¹²⁶⁵ is an apocalyptic number.

It is an amenable number.

881265 is an abundant number, since it is smaller than the sum of its proper divisors (924495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881265 is a wasteful number, since it uses less digits than its factorization.

881265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 135 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 881265 is about 938.7571570966. The cubic root of 881265 is about 95.8742929302.

The spelling of 881265 in words is "eight hundred eighty-one thousand, two hundred sixty-five".