111087 has 6 divisors (see below), whose sum is σ = 160472. Its totient is φ = 74052.

The previous prime is 111053. The next prime is 111091. The reversal of 111087 is 780111.

It is not a de Polignac number, because 111087 - 2¹⁰ = 110063 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 (111187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6163 + ... + 6180.

2¹¹¹⁰⁸⁷ is an apocalyptic number.

111087 is a deficient number, since it is larger than the sum of its proper divisors (49385).

111087 is a wasteful number, since it uses less digits than its factorization.

111087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349 (or 12346 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 111087 is about 333.2971647044. The cubic root of 111087 is about 48.0715080014.

Adding to 111087 its reverse (780111), we get a palindrome (891198).

The spelling of 111087 in words is "one hundred eleven thousand, eighty-seven".