1317245488 has 60 divisors (see below), whose sum is σ = 2828103960. Its totient is φ = 593768448.

The previous prime is 1317245467. The next prime is 1317245513. The reversal of 1317245488 is 8845427131.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110608 + ... + 121936.

It is an arithmetic number, because the mean of its divisors is an integer number (47135066).

Almost surely, 2^1317245488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317245488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414051980).

1317245488 is an abundant number, since it is smaller than the sum of its proper divisors (1510858472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317245488 is a wasteful number, since it uses less digits than its factorization.

1317245488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406 (or 11387 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 1317245488 is about 36293.8767287266. The cubic root of 1317245488 is about 1096.1977505611.

The spelling of 1317245488 in words is "one billion, three hundred seventeen million, two hundred forty-five thousand, four hundred eighty-eight".