1116811 has 8 divisors (see below), whose sum is σ = 1186560. Its totient is φ = 1048872.

The previous prime is 1116809. The next prime is 1116821. The reversal of 1116811 is 1186111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116811 - 2¹ = 1116809 is a prime.

It is a Duffinian number.

1116811 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1116821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (148320).

2^1116811 is an apocalyptic number.

1116811 is a deficient number, since it is larger than the sum of its proper divisors (69749).

1116811 is an equidigital number, since it uses as much as digits as its factorization.

1116811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 48, while the sum is 19.

The square root of 1116811 is about 1056.7927895288. The cubic root of 1116811 is about 103.7512236755.

The spelling of 1116811 in words is "one million, one hundred sixteen thousand, eight hundred eleven".