1116131 has 4 divisors (see below), whose sum is σ = 1119600. Its totient is φ = 1112664.

The previous prime is 1116107. The next prime is 1116133. The reversal of 1116131 is 1316111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116131 is a prime.

It is a super-2 number, since 2×1116131² = 2491496818322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1116133) 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, 1196 + ... + 1913.

It is an arithmetic number, because the mean of its divisors is an integer number (279900).

2^1116131 is an apocalyptic number.

1116131 is a deficient number, since it is larger than the sum of its proper divisors (3469).

1116131 is an equidigital number, since it uses as much as digits as its factorization.

1116131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its digits is 18, while the sum is 14.

The square root of 1116131 is about 1056.4710123804. The cubic root of 1116131 is about 103.7301621722.

The spelling of 1116131 in words is "one million, one hundred sixteen thousand, one hundred thirty-one".