1304923009 has 16 divisors (see below), whose sum is σ = 1552666752. Its totient is φ = 1084393728.

The previous prime is 1304922991. The next prime is 1304923013. The reversal of 1304923009 is 9003294031.

It is a cyclic number.

It is not a de Polignac number, because 1304923009 - 2⁵ = 1304922977 is a prime.

It is a super-2 number, since 2×1304923009² = 3405648118835228162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304923049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123279 + ... + 133444.

It is an arithmetic number, because the mean of its divisors is an integer number (97041672).

Almost surely, 2^1304923009 is an apocalyptic number.

It is an amenable number.

1304923009 is a deficient number, since it is larger than the sum of its proper divisors (247743743).

1304923009 is a wasteful number, since it uses less digits than its factorization.

1304923009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256776.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1304923009 is about 36123.7180949027. The cubic root of 1304923009 is about 1092.7688238064.

The spelling of 1304923009 in words is "one billion, three hundred four million, nine hundred twenty-three thousand, nine".