1108817 has 2 divisors, whose sum is σ = 1108818. Its totient is φ = 1108816.

The previous prime is 1108801. The next prime is 1108819. The reversal of 1108817 is 7188011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 126736 = 991^2 + 356^2 .

It is an emirp because it is prime and its reverse (7188011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1108817 - 2⁴ = 1108801 is a prime.

Together with 1108819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1108819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554408 + 554409.

It is an arithmetic number, because the mean of its divisors is an integer number (554409).

2^1108817 is an apocalyptic number.

It is an amenable number.

1108817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108817 is an equidigital number, since it uses as much as digits as its factorization.

1108817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 1108817 is about 1053.0037986636. The cubic root of 1108817 is about 103.5030843830.

The spelling of 1108817 in words is "one million, one hundred eight thousand, eight hundred seventeen".