1298317260 has 48 divisors (see below), whose sum is σ = 3636864000. Its totient is φ = 346067904.

The previous prime is 1298317219. The next prime is 1298317261. The reversal of 1298317260 is 627138921.

It is a super-2 number, since 2×1298317260² = 3371255415227815200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1298317261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243301 + ... + 248579.

It is an arithmetic number, because the mean of its divisors is an integer number (75768000).

Almost surely, 2^1298317260 is an apocalyptic number.

1298317260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298317260 is an abundant number, since it is smaller than the sum of its proper divisors (2338546740).

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

1298317260 is a wasteful number, since it uses less digits than its factorization.

1298317260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390 (or 9388 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1298317260 is about 36032.1697931168. The cubic root of 1298317260 is about 1090.9217744864.

The spelling of 1298317260 in words is "one billion, two hundred ninety-eight million, three hundred seventeen thousand, two hundred sixty".