111886 has 8 divisors (see below), whose sum is σ = 171864. Its totient is φ = 54600.

The previous prime is 111871. The next prime is 111893. The reversal of 111886 is 688111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1118 and 86 contains 111886 itself.

It is a self number, because there is not a number n which added to its sum of digits gives 111886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (21483).

2¹¹¹⁸⁸⁶ is an apocalyptic number.

111886 is a deficient number, since it is larger than the sum of its proper divisors (59978).

111886 is a wasteful number, since it uses less digits than its factorization.

111886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

The product of its digits is 384, while the sum is 25.

The square root of 111886 is about 334.4936471744. The cubic root of 111886 is about 48.1864851947.

Adding to 111886 its reverse (688111), we get a palindrome (799997).

It can be divided in two parts, 111 and 886, that multiplied together give a triangular number (98346 = T₄₄₃).

The spelling of 111886 in words is "one hundred eleven thousand, eight hundred eighty-six".