1104309 has 6 divisors (see below), whose sum is σ = 1595126. Its totient is φ = 736200.

The previous prime is 1104307. The next prime is 1104319. The reversal of 1104309 is 9034011.

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 8100 = 1047^2 + 90^2 .

It is not a de Polignac number, because 1104309 - 2¹ = 1104307 is a prime.

It is a Duffinian number.

1104309 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1104291 and 1104300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104307) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 61342 + ... + 61359.

2^1104309 is an apocalyptic number.

It is an amenable number.

1104309 is a deficient number, since it is larger than the sum of its proper divisors (490817).

1104309 is a wasteful number, since it uses less digits than its factorization.

1104309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122707 (or 122704 counting only the distinct ones).

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

The square root of 1104309 is about 1050.8610754995. The cubic root of 1104309 is about 103.3626266817.

The spelling of 1104309 in words is "one million, one hundred four thousand, three hundred nine".