111927 has 4 divisors (see below), whose sum is σ = 149240. Its totient is φ = 74616.

The previous prime is 111919. The next prime is 111949. The reversal of 111927 is 729111.

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

It is not a de Polignac number, because 111927 - 2³ = 111919 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 111927.

It is not an unprimeable number, because it can be changed into a prime (111977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18652 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (37310).

2¹¹¹⁹²⁷ is an apocalyptic number.

111927 is a deficient number, since it is larger than the sum of its proper divisors (37313).

111927 is an equidigital number, since it uses as much as digits as its factorization.

111927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37312.

The product of its digits is 126, while the sum is 21.

The square root of 111927 is about 334.5549282255. The cubic root of 111927 is about 48.1923703654.

The spelling of 111927 in words is "one hundred eleven thousand, nine hundred twenty-seven".