1317245204 has 36 divisors (see below), whose sum is σ = 2682855252. Its totient is φ = 563523840.

The previous prime is 1317245197. The next prime is 1317245233. The reversal of 1317245204 is 4025427131.

It can be written as a sum of positive squares in 2 ways, for example, as 414122500 + 903122704 = 20350^2 + 30052^2 .

It is a super-2 number, since 2×1317245204² = 3470269854922003232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71819 + ... + 88274.

It is an arithmetic number, because the mean of its divisors is an integer number (74523757).

Almost surely, 2^1317245204 is an apocalyptic number.

It is an amenable number.

1317245204 is an abundant number, since it is smaller than the sum of its proper divisors (1365610048).

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

1317245204 is a wasteful number, since it uses less digits than its factorization.

1317245204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160136 (or 160123 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1317245204 is about 36293.8728162206. The cubic root of 1317245204 is about 1096.1976717805.

The spelling of 1317245204 in words is "one billion, three hundred seventeen million, two hundred forty-five thousand, two hundred four".