1104409 has 2 divisors, whose sum is σ = 1104410. Its totient is φ = 1104408.

The previous prime is 1104403. The next prime is 1104427. The reversal of 1104409 is 9044011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 64009 = 1020^2 + 253^2 .

It is an emirp because it is prime and its reverse (9044011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1104409 - 2⁵ = 1104377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1104403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552204 + 552205.

It is an arithmetic number, because the mean of its divisors is an integer number (552205).

2^1104409 is an apocalyptic number.

It is an amenable number.

1104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104409 is an equidigital number, since it uses as much as digits as its factorization.

1104409 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1104409 is about 1050.9086544510. The cubic root of 1104409 is about 103.3657465666.

The spelling of 1104409 in words is "one million, one hundred four thousand, four hundred nine".