1131116 has 36 divisors (see below), whose sum is σ = 2394000. Its totient is φ = 465696.

The previous prime is 1131113. The next prime is 1131121. The reversal of 1131116 is 6111311.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 1131116.

It is not an unprimeable number, because it can be changed into a prime (1131113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5585 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (66500).

2^1131116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197000).

1131116 is an abundant number, since it is smaller than the sum of its proper divisors (1262884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131116 is a wasteful number, since it uses less digits than its factorization.

1131116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 237 counting only the distinct ones).

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

The square root of 1131116 is about 1063.5393739773. The cubic root of 1131116 is about 104.1923216454.

Adding to 1131116 its reverse (6111311), we get a palindrome (7242427).

The spelling of 1131116 in words is "one million, one hundred thirty-one thousand, one hundred sixteen".