1116847 has 4 divisors (see below), whose sum is σ = 1121760. Its totient is φ = 1111936.

The previous prime is 1116821. The next prime is 1116851. The reversal of 1116847 is 7486111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7486111 = 67 ⋅111733.

It is a cyclic number.

It is not a de Polignac number, because 1116847 - 2¹⁵ = 1084079 is a prime.

It is a Duffinian number.

It is a congruent 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, 2098 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (280440).

2^1116847 is an apocalyptic number.

1116847 is a deficient number, since it is larger than the sum of its proper divisors (4913).

1116847 is an equidigital number, since it uses as much as digits as its factorization.

1116847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912.

The product of its digits is 1344, while the sum is 28.

The square root of 1116847 is about 1056.8098220588. The cubic root of 1116847 is about 103.7523384580.

The spelling of 1116847 in words is "one million, one hundred sixteen thousand, eight hundred forty-seven".