881109 has 12 divisors (see below), whose sum is σ = 1300416. Its totient is φ = 574632.

The previous prime is 881099. The next prime is 881119. The reversal of 881109 is 901188.

It is an interprime number because it is at equal distance from previous prime (881099) and next prime (881119).

It is not a de Polignac number, because 881109 - 2⁵ = 881077 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619 + ... + 1464.

It is an arithmetic number, because the mean of its divisors is an integer number (108368).

2⁸⁸¹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

881109 is a deficient number, since it is larger than the sum of its proper divisors (419307).

881109 is a wasteful number, since it uses less digits than its factorization.

881109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 881109 is about 938.6740648383. The cubic root of 881109 is about 95.8686354294.

It can be divided in two parts, 881 and 109, that added together give a triangular number (990 = T₄₄).

The spelling of 881109 in words is "eight hundred eighty-one thousand, one hundred nine".