1116943 has 2 divisors, whose sum is σ = 1116944. Its totient is φ = 1116942.

The previous prime is 1116937. The next prime is 1116977. The reversal of 1116943 is 3496111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1116943 - 2⁵ = 1116911 is a prime.

1116943 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558471 + 558472.

It is an arithmetic number, because the mean of its divisors is an integer number (558472).

2^1116943 is an apocalyptic number.

1116943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116943 is an equidigital number, since it uses as much as digits as its factorization.

1116943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

The square root of 1116943 is about 1056.8552407970. The cubic root of 1116943 is about 103.7553110941.

The spelling of 1116943 in words is "one million, one hundred sixteen thousand, nine hundred forty-three".