881187 has 4 divisors (see below), whose sum is σ = 1174920. Its totient is φ = 587456.

The previous prime is 881173. The next prime is 881191. The reversal of 881187 is 781188.

881187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881187 - 2⁴ = 881171 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881187.

It is not an unprimeable number, because it can be changed into a prime (881147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146862 + ... + 146867.

It is an arithmetic number, because the mean of its divisors is an integer number (293730).

2⁸⁸¹¹⁸⁷ is an apocalyptic number.

881187 is a deficient number, since it is larger than the sum of its proper divisors (293733).

881187 is a wasteful number, since it uses less digits than its factorization.

881187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293732.

The product of its digits is 3584, while the sum is 33.

The square root of 881187 is about 938.7156118868. The cubic root of 881187 is about 95.8714642632.

Subtracting from 881187 its reverse (781188), we obtain a palindrome (99999).

It can be divided in two parts, 88 and 1187, that added together give a triangular number (1275 = T₅₀).

The spelling of 881187 in words is "eight hundred eighty-one thousand, one hundred eighty-seven".