1208216017 has 8 divisors (see below), whose sum is σ = 1226378880. Its totient is φ = 1190085120.

The previous prime is 1208216011. The next prime is 1208216039. The reversal of 1208216017 is 7106128021.

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

It is a cyclic number.

It is not a de Polignac number, because 1208216017 - 2¹¹ = 1208213969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208216011) 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 7 ways as a sum of consecutive naturals, for example, 74484 + ... + 89242.

It is an arithmetic number, because the mean of its divisors is an integer number (153297360).

Almost surely, 2^1208216017 is an apocalyptic number.

It is an amenable number.

1208216017 is a deficient number, since it is larger than the sum of its proper divisors (18162863).

1208216017 is a wasteful number, since it uses less digits than its factorization.

1208216017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1208216017 is about 34759.4018504347. The cubic root of 1208216017 is about 1065.0782832388.

The spelling of 1208216017 in words is "one billion, two hundred eight million, two hundred sixteen thousand, seventeen".