1301309 has 8 divisors (see below), whose sum is σ = 1359072. Its totient is φ = 1244880.

The previous prime is 1301297. The next prime is 1301323. The reversal of 1301309 is 9031031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301309 is a prime.

It is a super-2 number, since 2×1301309² = 3386810226962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (169884).

2^1301309 is an apocalyptic number.

It is an amenable number.

1301309 is a deficient number, since it is larger than the sum of its proper divisors (57763).

1301309 is an equidigital number, since it uses as much as digits as its factorization.

1301309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1301309 is about 1140.7493151433. The cubic root of 1301309 is about 109.1759076406.

The spelling of 1301309 in words is "one million, three hundred one thousand, three hundred nine".