1317405841 has 8 divisors (see below), whose sum is σ = 1325255904. Its totient is φ = 1309566720.

The previous prime is 1317405839. The next prime is 1317405851. The reversal of 1317405841 is 1485047131.

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 1317405841 - 2¹ = 1317405839 is a prime.

It is a super-3 number, since 3×1317405841³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1317405797 and 1317405806.

It is not an unprimeable number, because it can be changed into a prime (1317405821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436026 + ... + 439036.

It is an arithmetic number, because the mean of its divisors is an integer number (165656988).

Almost surely, 2^1317405841 is an apocalyptic number.

It is an amenable number.

1317405841 is a deficient number, since it is larger than the sum of its proper divisors (7850063).

1317405841 is a wasteful number, since it uses less digits than its factorization.

1317405841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1317405841 is about 36296.0857531497. The cubic root of 1317405841 is about 1096.2422301126.

The spelling of 1317405841 in words is "one billion, three hundred seventeen million, four hundred five thousand, eight hundred forty-one".