1305312401 has 8 divisors (see below), whose sum is σ = 1328019360. Its totient is φ = 1282624992.

The previous prime is 1305312397. The next prime is 1305312409. The reversal of 1305312401 is 1042135031.

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 1305312401 - 2² = 1305312397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1305312409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211901 + ... + 217973.

It is an arithmetic number, because the mean of its divisors is an integer number (166002420).

Almost surely, 2^1305312401 is an apocalyptic number.

It is an amenable number.

1305312401 is a deficient number, since it is larger than the sum of its proper divisors (22706959).

1305312401 is an equidigital number, since it uses as much as digits as its factorization.

1305312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1305312401 is about 36129.1073927934. The cubic root of 1305312401 is about 1092.8775078992.

Adding to 1305312401 its reverse (1042135031), we get a palindrome (2347447432).

The spelling of 1305312401 in words is "one billion, three hundred five million, three hundred twelve thousand, four hundred one".