1104385 has 4 divisors (see below), whose sum is σ = 1325268. Its totient is φ = 883504.

The previous prime is 1104379. The next prime is 1104403. The reversal of 1104385 is 5834011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 345744 = 871^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104385 - 2³ = 1104377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110434 + ... + 110443.

It is an arithmetic number, because the mean of its divisors is an integer number (331317).

2^1104385 is an apocalyptic number.

It is an amenable number.

1104385 is a deficient number, since it is larger than the sum of its proper divisors (220883).

1104385 is an equidigital number, since it uses as much as digits as its factorization.

1104385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220882.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1104385 is about 1050.8972356991. The cubic root of 1104385 is about 103.3649978114.

Adding to 1104385 its reverse (5834011), we get a palindrome (6938396).

The spelling of 1104385 in words is "one million, one hundred four thousand, three hundred eighty-five".