111697 has 2 divisors, whose sum is σ = 111698. Its totient is φ = 111696.

The previous prime is 111667. The next prime is 111721. The reversal of 111697 is 796111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77841 + 33856 = 279^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 111697 - 2¹⁵ = 78929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55848 + 55849.

It is an arithmetic number, because the mean of its divisors is an integer number (55849).

2¹¹¹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

111697 is a deficient number, since it is larger than the sum of its proper divisors (1).

111697 is an equidigital number, since it uses as much as digits as its factorization.

111697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 25.

The square root of 111697 is about 334.2110111890. The cubic root of 111697 is about 48.1593373878.

It can be divided in two parts, 111 and 697, that added together give a palindrome (808).

The spelling of 111697 in words is "one hundred eleven thousand, six hundred ninety-seven".