1208068281 has 24 divisors (see below), whose sum is σ = 2002640640. Its totient is φ = 687427776.

The previous prime is 1208068193. The next prime is 1208068319. The reversal of 1208068281 is 1828608021.

It is not a de Polignac number, because 1208068281 - 2¹⁸ = 1207806137 is a prime.

It is a super-2 number, since 2×1208068281² = 2918857943116589922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208068181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25060 + ... + 55173.

It is an arithmetic number, because the mean of its divisors is an integer number (83443360).

Almost surely, 2^1208068281 is an apocalyptic number.

It is an amenable number.

1208068281 is a deficient number, since it is larger than the sum of its proper divisors (794572359).

1208068281 is a wasteful number, since it uses less digits than its factorization.

1208068281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80485 (or 80482 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1208068281 is about 34757.2766625925. The cubic root of 1208068281 is about 1065.0348702462.

The spelling of 1208068281 in words is "one billion, two hundred eight million, sixty-eight thousand, two hundred eighty-one".