1304109 has 12 divisors (see below), whose sum is σ = 1924416. Its totient is φ = 850632.

The previous prime is 1304089. The next prime is 1304111. The reversal of 1304109 is 9014031.

It is not a de Polignac number, because 1304109 - 2⁹ = 1303597 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1304091 and 1304100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (160368).

2^1304109 is an apocalyptic number.

It is an amenable number.

1304109 is a deficient number, since it is larger than the sum of its proper divisors (620307).

1304109 is a wasteful number, since it uses less digits than its factorization.

1304109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1304109 is about 1141.9759191857. The cubic root of 1304109 is about 109.2541554030.

The spelling of 1304109 in words is "one million, three hundred four thousand, one hundred nine".