881137 has 4 divisors (see below), whose sum is σ = 884596. Its totient is φ = 877680.

The previous prime is 881119. The next prime is 881141. The reversal of 881137 is 731188.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 776161 = 324^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 881137 - 2⁷ = 881009 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1314 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (221149).

2⁸⁸¹¹³⁷ is an apocalyptic number.

It is an amenable number.

881137 is a deficient number, since it is larger than the sum of its proper divisors (3459).

881137 is a wasteful number, since it uses less digits than its factorization.

881137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its digits is 1344, while the sum is 28.

The square root of 881137 is about 938.6889793750. The cubic root of 881137 is about 95.8696509274.

It can be divided in two parts, 88 and 1137, that added together give a triangular number (1225 = T₄₉).

The spelling of 881137 in words is "eight hundred eighty-one thousand, one hundred thirty-seven".