1317242572 has 6 divisors (see below), whose sum is σ = 2305174508. Its totient is φ = 658621284.

The previous prime is 1317242561. The next prime is 1317242573. The reversal of 1317242572 is 2752427131.

It is not an unprimeable number, because it can be changed into a prime (1317242573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164655318 + ... + 164655325.

Almost surely, 2^1317242572 is an apocalyptic number.

It is an amenable number.

1317242572 is a deficient number, since it is larger than the sum of its proper divisors (987931936).

1317242572 is a wasteful number, since it uses less digits than its factorization.

1317242572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329310647 (or 329310645 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 1317242572 is about 36293.8365566386. The cubic root of 1317242572 is about 1096.1969416724.

The spelling of 1317242572 in words is "one billion, three hundred seventeen million, two hundred forty-two thousand, five hundred seventy-two".