1116688 has 20 divisors (see below), whose sum is σ = 2196288. Its totient is φ = 549920.

The previous prime is 1116677. The next prime is 1116701. The reversal of 1116688 is 8866111.

It is a happy number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 1627.

2^1116688 is an apocalyptic number.

It is an amenable number.

1116688 is a deficient number, since it is larger than the sum of its proper divisors (1079600).

1116688 is an equidigital number, since it uses as much as digits as its factorization.

1116688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1056 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 1116688 is about 1056.7345929797. The cubic root of 1116688 is about 103.7474146547.

The spelling of 1116688 in words is "one million, one hundred sixteen thousand, six hundred eighty-eight".