1104020209 has 4 divisors (see below), whose sum is σ = 1104853504. Its totient is φ = 1103186916.

The previous prime is 1104020207. The next prime is 1104020219. The reversal of 1104020209 is 9020204011.

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 a cyclic number.

It is not a de Polignac number, because 1104020209 - 2¹ = 1104020207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414657 + ... + 417310.

It is an arithmetic number, because the mean of its divisors is an integer number (276213376).

Almost surely, 2^1104020209 is an apocalyptic number.

It is an amenable number.

1104020209 is a deficient number, since it is larger than the sum of its proper divisors (833295).

1104020209 is an equidigital number, since it uses as much as digits as its factorization.

1104020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833294.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1104020209 is about 33226.7995599937. The cubic root of 1104020209 is about 1033.5361567763.

The spelling of 1104020209 in words is "one billion, one hundred four million, twenty thousand, two hundred nine".