1304105 has 16 divisors (see below), whose sum is σ = 1729728. Its totient is φ = 936000.

The previous prime is 1304089. The next prime is 1304111. The reversal of 1304105 is 5014031.

It is not a de Polignac number, because 1304105 - 2⁴ = 1304089 is a prime.

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 1304105.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7115 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2^1304105 is an apocalyptic number.

It is an amenable number.

1304105 is a deficient number, since it is larger than the sum of its proper divisors (425623).

1304105 is a wasteful number, since it uses less digits than its factorization.

1304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1304105 is about 1141.9741678339. The cubic root of 1304105 is about 109.2540437004.

Adding to 1304105 its reverse (5014031), we get a palindrome (6318136).

The spelling of 1304105 in words is "one million, three hundred four thousand, one hundred five".