1317385248 has 48 divisors (see below), whose sum is σ = 3461220000. Its totient is φ = 438736896.

The previous prime is 1317385187. The next prime is 1317385253. The reversal of 1317385248 is 8425837131.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114411 + ... + 125397.

It is an arithmetic number, because the mean of its divisors is an integer number (72108750).

Almost surely, 2^1317385248 is an apocalyptic number.

It is an amenable number.

1317385248 is an abundant number, since it is smaller than the sum of its proper divisors (2143834752).

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

1317385248 is a wasteful number, since it uses less digits than its factorization.

1317385248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249 (or 12241 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1317385248 is about 36295.8020713140. The cubic root of 1317385248 is about 1096.2365181209.

The spelling of 1317385248 in words is "one billion, three hundred seventeen million, three hundred eighty-five thousand, two hundred forty-eight".