1104665 has 4 divisors (see below), whose sum is σ = 1325604. Its totient is φ = 883728.

The previous prime is 1104661. The next prime is 1104671. The reversal of 1104665 is 5664011.

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 405769 + 698896 = 637^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104665 - 2² = 1104661 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1104665.

It is not an unprimeable number, because it can be changed into a prime (1104661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110462 + ... + 110471.

It is an arithmetic number, because the mean of its divisors is an integer number (331401).

2^1104665 is an apocalyptic number.

It is an amenable number.

1104665 is a deficient number, since it is larger than the sum of its proper divisors (220939).

1104665 is an equidigital number, since it uses as much as digits as its factorization.

1104665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220938.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1104665 is about 1051.0304467521. The cubic root of 1104665 is about 103.3737326136.

Adding to 1104665 its reverse (5664011), we get a palindrome (6768676).

It can be divided in two parts, 11046 and 65, that added together give a palindrome (11111).

The spelling of 1104665 in words is "one million, one hundred four thousand, six hundred sixty-five".