1094809 has 2 divisors, whose sum is σ = 1094810. Its totient is φ = 1094808.

The previous prime is 1094803. The next prime is 1094831. The reversal of 1094809 is 9084901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 38025 = 1028^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1094809 - 2³ = 1094801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1094801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547404 + 547405.

It is an arithmetic number, because the mean of its divisors is an integer number (547405).

2^1094809 is an apocalyptic number.

It is an amenable number.

1094809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094809 is an equidigital number, since it uses as much as digits as its factorization.

1094809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1094809 is about 1046.3312095126. The cubic root of 1094809 is about 103.0653746537.

The spelling of 1094809 in words is "one million, ninety-four thousand, eight hundred nine".