1317002560 has 28 divisors (see below), whose sum is σ = 3136113108. Its totient is φ = 526800896.

The previous prime is 1317002551. The next prime is 1317002579. The reversal of 1317002560 is 652007131.

It can be written as a sum of positive squares in 2 ways, for example, as 970447104 + 346555456 = 31152^2 + 18616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057497 + ... + 2058136.

Almost surely, 2^1317002560 is an apocalyptic number.

1317002560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317002560 is an abundant number, since it is smaller than the sum of its proper divisors (1819110548).

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

1317002560 is an equidigital number, since it uses as much as digits as its factorization.

1317002560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115650 (or 4115640 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1317002560 is about 36290.5298941749. The cubic root of 1317002560 is about 1096.1303590482.

Adding to 1317002560 its reverse (652007131), we get a palindrome (1969009691).

The spelling of 1317002560 in words is "one billion, three hundred seventeen million, two thousand, five hundred sixty".