1208834449 has 2 divisors, whose sum is σ = 1208834450. Its totient is φ = 1208834448.

The previous prime is 1208834423. The next prime is 1208834477. The reversal of 1208834449 is 9444388021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087680400 + 121154049 = 32980^2 + 11007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208834449 - 2¹⁹ = 1208310161 is a prime.

It is a super-2 number, since 2×1208834449² = 2922561450178267202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1208834479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604417224 + 604417225.

It is an arithmetic number, because the mean of its divisors is an integer number (604417225).

Almost surely, 2^1208834449 is an apocalyptic number.

It is an amenable number.

1208834449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208834449 is an equidigital number, since it uses as much as digits as its factorization.

1208834449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 1208834449 is about 34768.2966076856. The cubic root of 1208834449 is about 1065.2599742976.

The spelling of 1208834449 in words is "one billion, two hundred eight million, eight hundred thirty-four thousand, four hundred forty-nine".