111974 has 4 divisors (see below), whose sum is σ = 167964. Its totient is φ = 55986.

The previous prime is 111973. The next prime is 111977. The reversal of 111974 is 479111.

111974 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479111 = 17 ⋅28183.

111974 is a nontrivial repdigit in base 6.

It is a plaindrome in base 6.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27992 + ... + 27995.

It is an arithmetic number, because the mean of its divisors is an integer number (41991).

2¹¹¹⁹⁷⁴ is an apocalyptic number.

111974 is a deficient number, since it is larger than the sum of its proper divisors (55990).

111974 is an equidigital number, since it uses as much as digits as its factorization.

111974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55989.

The product of its digits is 252, while the sum is 23.

The square root of 111974 is about 334.6251634292. The cubic root of 111974 is about 48.1991150128.

The spelling of 111974 in words is "one hundred eleven thousand, nine hundred seventy-four".