1229885017 has 2 divisors, whose sum is σ = 1229885018. Its totient is φ = 1229885016.

The previous prime is 1229884969. The next prime is 1229885051. The reversal of 1229885017 is 7105889221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029832281 + 200052736 = 32091^2 + 14144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229885017 - 2¹⁵ = 1229852249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1229885057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614942508 + 614942509.

It is an arithmetic number, because the mean of its divisors is an integer number (614942509).

Almost surely, 2^1229885017 is an apocalyptic number.

It is an amenable number.

1229885017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229885017 is an equidigital number, since it uses as much as digits as its factorization.

1229885017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 1229885017 is about 35069.7165229490. The cubic root of 1229885017 is about 1071.4078817855.

The spelling of 1229885017 in words is "one billion, two hundred twenty-nine million, eight hundred eighty-five thousand, seventeen".