111994 has 4 divisors (see below), whose sum is σ = 167994. Its totient is φ = 55996.

The previous prime is 111977. The next prime is 111997. The reversal of 111994 is 499111.

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

It can be written as a sum of positive squares in only one way, i.e., 99225 + 12769 = 315^2 + 113^2 .

It is not an unprimeable number, because it can be changed into a prime (111997) 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 as a sum of consecutive naturals, namely, 27997 + ... + 28000.

2¹¹¹⁹⁹⁴ is an apocalyptic number.

111994 is a deficient number, since it is larger than the sum of its proper divisors (56000).

111994 is an equidigital number, since it uses as much as digits as its factorization.

111994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55999.

The product of its digits is 324, while the sum is 25.

The square root of 111994 is about 334.6550462790. The cubic root of 111994 is about 48.2019845030.

The spelling of 111994 in words is "one hundred eleven thousand, nine hundred ninety-four".