1317020888 has 16 divisors (see below), whose sum is σ = 2469816360. Its totient is φ = 658403200.

The previous prime is 1317020869. The next prime is 1317020893. The reversal of 1317020888 is 8880207131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67523 + ... + 84813.

Almost surely, 2^1317020888 is an apocalyptic number.

It is an amenable number.

1317020888 is a deficient number, since it is larger than the sum of its proper divisors (1152795472).

1317020888 is a wasteful number, since it uses less digits than its factorization.

1317020888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26818 (or 26814 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1317020888 is about 36290.7824109649. The cubic root of 1317020888 is about 1096.1354437723.

The spelling of 1317020888 in words is "one billion, three hundred seventeen million, twenty thousand, eight hundred eighty-eight".