1317641043 has 8 divisors (see below), whose sum is σ = 1833239808. Its totient is φ = 840234824.

The previous prime is 1317641033. The next prime is 1317641057. The reversal of 1317641043 is 3401467131.

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 1317641043 - 2⁴ = 1317641027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1317641043.

It is not an unprimeable number, because it can be changed into a prime (1317641023) 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, 9548055 + ... + 9548192.

It is an arithmetic number, because the mean of its divisors is an integer number (229154976).

Almost surely, 2^1317641043 is an apocalyptic number.

1317641043 is a deficient number, since it is larger than the sum of its proper divisors (515598765).

1317641043 is a wasteful number, since it uses less digits than its factorization.

1317641043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096273.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1317641043 is about 36299.3256548934. The cubic root of 1317641043 is about 1096.3074651410.

The spelling of 1317641043 in words is "one billion, three hundred seventeen million, six hundred forty-one thousand, forty-three".