1208605241 has 2 divisors, whose sum is σ = 1208605242. Its totient is φ = 1208605240.

The previous prime is 1208605217. The next prime is 1208605243. The reversal of 1208605241 is 1425068021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208605225 + 16 = 34765^2 + 4^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1208605241 is a prime.

Together with 1208605243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1208605243) 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 as a sum of consecutive naturals, namely, 604302620 + 604302621.

It is an arithmetic number, because the mean of its divisors is an integer number (604302621).

Almost surely, 2^1208605241 is an apocalyptic number.

It is an amenable number.

1208605241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208605241 is an equidigital number, since it uses as much as digits as its factorization.

1208605241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1208605241 is about 34765.0002301165. Note that the first 3 decimals coincide. The cubic root of 1208605241 is about 1065.1926417961.

The spelling of 1208605241 in words is "one billion, two hundred eight million, six hundred five thousand, two hundred forty-one".