1317483121 has 4 divisors (see below), whose sum is σ = 1320304752. Its totient is φ = 1314661492.

The previous prime is 1317483107. The next prime is 1317483133. The reversal of 1317483121 is 1213847131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317483121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317484121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410115 + ... + 1411048.

It is an arithmetic number, because the mean of its divisors is an integer number (330076188).

Almost surely, 2^1317483121 is an apocalyptic number.

It is an amenable number.

1317483121 is a deficient number, since it is larger than the sum of its proper divisors (2821631).

1317483121 is an equidigital number, since it uses as much as digits as its factorization.

1317483121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821630.

The product of its digits is 4032, while the sum is 31.

The square root of 1317483121 is about 36297.1503151418. The cubic root of 1317483121 is about 1096.2636651532.

The spelling of 1317483121 in words is "one billion, three hundred seventeen million, four hundred eighty-three thousand, one hundred twenty-one".