1116111 has 4 divisors (see below), whose sum is σ = 1488152. Its totient is φ = 744072.

The previous prime is 1116107. The next prime is 1116133.

1116111 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1116111 - 2² = 1116107 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116911) 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, 186016 + ... + 186021.

It is an arithmetic number, because the mean of its divisors is an integer number (372038).

2^1116111 is an apocalyptic number.

1116111 is a deficient number, since it is larger than the sum of its proper divisors (372041).

1116111 is an equidigital number, since it uses as much as digits as its factorization.

1116111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372040.

The product of its digits is 6, while the sum is 12.

The square root of 1116111 is about 1056.4615468629. The cubic root of 1116111 is about 103.7295425867.

The spelling of 1116111 in words is "one million, one hundred sixteen thousand, one hundred eleven".