1118317 has 2 divisors, whose sum is σ = 1118318. Its totient is φ = 1118316.

The previous prime is 1118309. The next prime is 1118339. The reversal of 1118317 is 7138111.

It is an a-pointer prime, because the next prime (1118339) can be obtained adding 1118317 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741321 + 376996 = 861^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118317 - 2³ = 1118309 is a prime.

It is a Chen prime.

1118317 is a lucky number.

It is equal to p₈₇₀₆₁ and since 1118317 and 87061 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559158 + 559159.

It is an arithmetic number, because the mean of its divisors is an integer number (559159).

2^1118317 is an apocalyptic number.

It is an amenable number.

1118317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118317 is an equidigital number, since it uses as much as digits as its factorization.

1118317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 22.

The square root of 1118317 is about 1057.5050827301. The cubic root of 1118317 is about 103.7978382958.

The spelling of 1118317 in words is "one million, one hundred eighteen thousand, three hundred seventeen".