1317127108 has 72 divisors (see below), whose sum is σ = 2662511040. Its totient is φ = 568603200.

The previous prime is 1317127103. The next prime is 1317127117. The reversal of 1317127108 is 8017217131.

It is a self number, because there is not a number n which added to its sum of digits gives 1317127108.

It is not an unprimeable number, because it can be changed into a prime (1317127103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1992298 + ... + 1992958.

It is an arithmetic number, because the mean of its divisors is an integer number (36979320).

Almost surely, 2^1317127108 is an apocalyptic number.

It is an amenable number.

1317127108 is an abundant number, since it is smaller than the sum of its proper divisors (1345383932).

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

1317127108 is a wasteful number, since it uses less digits than its factorization.

1317127108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 1317127108 is about 36292.2458384708. The cubic root of 1317127108 is about 1096.1649113831.

The spelling of 1317127108 in words is "one billion, three hundred seventeen million, one hundred twenty-seven thousand, one hundred eight".