1317120206 has 8 divisors (see below), whose sum is σ = 1979293800. Its totient is φ = 657355608.

The previous prime is 1317120193. The next prime is 1317120209. The reversal of 1317120206 is 6020217131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317120209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600881 + ... + 603068.

It is an arithmetic number, because the mean of its divisors is an integer number (247411725).

Almost surely, 2^1317120206 is an apocalyptic number.

1317120206 is a deficient number, since it is larger than the sum of its proper divisors (662173594).

1317120206 is a wasteful number, since it uses less digits than its factorization.

1317120206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204498.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1317120206 is about 36292.1507491634. The cubic root of 1317120206 is about 1096.1629966746.

Adding to 1317120206 its reverse (6020217131), we get a palindrome (7337337337).

The spelling of 1317120206 in words is "one billion, three hundred seventeen million, one hundred twenty thousand, two hundred six".