1116857 has 12 divisors (see below), whose sum is σ = 1357056. Its totient is φ = 914760.

The previous prime is 1116853. The next prime is 1116859. The reversal of 1116857 is 7586111.

It is not a de Polignac number, because 1116857 - 2² = 1116853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116851) 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, 632 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (113088).

2^1116857 is an apocalyptic number.

It is an amenable number.

1116857 is a deficient number, since it is larger than the sum of its proper divisors (240199).

1116857 is an equidigital number, since it uses as much as digits as its factorization.

1116857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1021 counting only the distinct ones).

The product of its digits is 1680, while the sum is 29.

The square root of 1116857 is about 1056.8145532685. The cubic root of 1116857 is about 103.7526481155.

The spelling of 1116857 in words is "one million, one hundred sixteen thousand, eight hundred fifty-seven".