1080309 has 8 divisors (see below), whose sum is σ = 1475712. Its totient is φ = 702560.

The previous prime is 1080307. The next prime is 1080311. The reversal of 1080309 is 9030801.

It is an interprime number because it is at equal distance from previous prime (1080307) and next prime (1080311).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1080309 - 2¹ = 1080307 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4269 + ... + 4514.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

2^1080309 is an apocalyptic number.

It is an amenable number.

1080309 is a deficient number, since it is larger than the sum of its proper divisors (395403).

1080309 is an equidigital number, since it uses as much as digits as its factorization.

1080309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1080309 is about 1039.3791416033. The cubic root of 1080309 is about 102.6083407299.

The spelling of 1080309 in words is "one million, eighty thousand, three hundred nine".