1104109 has 4 divisors (see below), whose sum is σ = 1162240. Its totient is φ = 1045980.

The previous prime is 1104107. The next prime is 1104113. The reversal of 1104109 is 9014011.

1104109 = 232² + 233² + ... + 250².

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9014011 = 139 ⋅64849.

It is a cyclic number.

It is not a de Polignac number, because 1104109 - 2¹ = 1104107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1104092 and 1104101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104101) 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 in 3 ways as a sum of consecutive naturals, for example, 29037 + ... + 29074.

It is an arithmetic number, because the mean of its divisors is an integer number (290560).

2^1104109 is an apocalyptic number.

1104109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1104109 is a deficient number, since it is larger than the sum of its proper divisors (58131).

1104109 is an equidigital number, since it uses as much as digits as its factorization.

1104109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58130.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1104109 is about 1050.7659111334. The cubic root of 1104109 is about 103.3563863470.

The spelling of 1104109 in words is "one million, one hundred four thousand, one hundred nine".