1116867 has 4 divisors (see below), whose sum is σ = 1489160. Its totient is φ = 744576.

The previous prime is 1116859. The next prime is 1116887. The reversal of 1116867 is 7686111.

It is a happy number.

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

It is not a de Polignac number, because 1116867 - 2³ = 1116859 is a prime.

It is a D-number.

It is a Duffinian number.

1116867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1116887) 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, 186142 + ... + 186147.

It is an arithmetic number, because the mean of its divisors is an integer number (372290).

2^1116867 is an apocalyptic number.

1116867 is a deficient number, since it is larger than the sum of its proper divisors (372293).

1116867 is an equidigital number, since it uses as much as digits as its factorization.

1116867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372292.

The product of its digits is 2016, while the sum is 30.

The square root of 1116867 is about 1056.8192844569. The cubic root of 1116867 is about 103.7529577712.

The spelling of 1116867 in words is "one million, one hundred sixteen thousand, eight hundred sixty-seven".