1116997 has 4 divisors (see below), whose sum is σ = 1276576. Its totient is φ = 957420.

The previous prime is 1116989. The next prime is 1117009. The reversal of 1116997 is 7996111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1116997 - 2³ = 1116989 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116937) 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, 79779 + ... + 79792.

It is an arithmetic number, because the mean of its divisors is an integer number (319144).

2^1116997 is an apocalyptic number.

It is an amenable number.

1116997 is a deficient number, since it is larger than the sum of its proper divisors (159579).

1116997 is an equidigital number, since it uses as much as digits as its factorization.

1116997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159578.

The product of its digits is 3402, while the sum is 34.

The square root of 1116997 is about 1056.8807879794. The cubic root of 1116997 is about 103.7569831270.

The spelling of 1116997 in words is "one million, one hundred sixteen thousand, nine hundred ninety-seven".