1115797 has 4 divisors (see below), whose sum is σ = 1118880. Its totient is φ = 1112716.

The previous prime is 1115789. The next prime is 1115831. The reversal of 1115797 is 7975111.

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 1115797 - 2³ = 1115789 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115767) 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, 913 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (279720).

2^1115797 is an apocalyptic number.

It is an amenable number.

1115797 is a deficient number, since it is larger than the sum of its proper divisors (3083).

1115797 is an equidigital number, since it uses as much as digits as its factorization.

1115797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its digits is 2205, while the sum is 31.

The square root of 1115797 is about 1056.3129271196. The cubic root of 1115797 is about 103.7198141244.

The spelling of 1115797 in words is "one million, one hundred fifteen thousand, seven hundred ninety-seven".