111797 has 4 divisors (see below), whose sum is σ = 127776. Its totient is φ = 95820.

The previous prime is 111791. The next prime is 111799. The reversal of 111797 is 797111.

111797 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111797 - 2⁴ = 111781 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 (111791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7979 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (31944).

2¹¹¹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

111797 is a deficient number, since it is larger than the sum of its proper divisors (15979).

111797 is an equidigital number, since it uses as much as digits as its factorization.

111797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978.

The product of its digits is 441, while the sum is 26.

The square root of 111797 is about 334.3605838014. The cubic root of 111797 is about 48.1737051185.

The spelling of 111797 in words is "one hundred eleven thousand, seven hundred ninety-seven".