1301305 has 8 divisors (see below), whose sum is σ = 1569672. Its totient is φ = 1035648.

The previous prime is 1301297. The next prime is 1301323. The reversal of 1301305 is 5031031.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 1281424 = 141^2 + 1132^2 .

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 1301305 - 2³ = 1301297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 607 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (196209).

2^1301305 is an apocalyptic number.

It is an amenable number.

1301305 is a deficient number, since it is larger than the sum of its proper divisors (268367).

1301305 is a wasteful number, since it uses less digits than its factorization.

1301305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1301305 is about 1140.7475619084. The cubic root of 1301305 is about 109.1757957778.

Adding to 1301305 its reverse (5031031), we get a palindrome (6332336).

The spelling of 1301305 in words is "one million, three hundred one thousand, three hundred five".