1108819 has 2 divisors, whose sum is σ = 1108820. Its totient is φ = 1108818.

The previous prime is 1108817. The next prime is 1108823. The reversal of 1108819 is 9188011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1108819 - 2¹ = 1108817 is a prime.

It is a super-2 number, since 2×1108819² = 2458959149522, which contains 22 as substring.

Together with 1108817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1108817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554409 + 554410.

It is an arithmetic number, because the mean of its divisors is an integer number (554410).

2^1108819 is an apocalyptic number.

1108819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108819 is an equidigital number, since it uses as much as digits as its factorization.

1108819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 1108819 is about 1053.0047483274. The cubic root of 1108819 is about 103.5031466133.

The spelling of 1108819 in words is "one million, one hundred eight thousand, eight hundred nineteen".