1118297 has 4 divisors (see below), whose sum is σ = 1135056. Its totient is φ = 1101540.

The previous prime is 1118291. The next prime is 1118303. The reversal of 1118297 is 7928111.

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 an interprime number because it is at equal distance from previous prime (1118291) and next prime (1118303).

It is a cyclic number.

It is not a de Polignac number, because 1118297 - 2⁸ = 1118041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8279 + ... + 8412.

It is an arithmetic number, because the mean of its divisors is an integer number (283764).

2^1118297 is an apocalyptic number.

It is an amenable number.

1118297 is a deficient number, since it is larger than the sum of its proper divisors (16759).

1118297 is an equidigital number, since it uses as much as digits as its factorization.

1118297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758.

The product of its digits is 1008, while the sum is 29.

The square root of 1118297 is about 1057.4956264685. The cubic root of 1118297 is about 103.7972195181.

The spelling of 1118297 in words is "one million, one hundred eighteen thousand, two hundred ninety-seven".