1116637 has 2 divisors, whose sum is σ = 1116638. Its totient is φ = 1116636.

The previous prime is 1116631. The next prime is 1116641. The reversal of 1116637 is 7366111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 509796 = 779^2 + 714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558318 + 558319.

It is an arithmetic number, because the mean of its divisors is an integer number (558319).

2^1116637 is an apocalyptic number.

It is an amenable number.

1116637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116637 is an equidigital number, since it uses as much as digits as its factorization.

1116637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 1116637 is about 1056.7104617633. The cubic root of 1116637 is about 103.7458352226.

The spelling of 1116637 in words is "one million, one hundred sixteen thousand, six hundred thirty-seven".