1205013163 has 2 divisors, whose sum is σ = 1205013164. Its totient is φ = 1205013162.

The previous prime is 1205013071. The next prime is 1205013181. The reversal of 1205013163 is 3613105021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3613105021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1205013163 - 2⁹ = 1205012651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205013863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602506581 + 602506582.

It is an arithmetic number, because the mean of its divisors is an integer number (602506582).

Almost surely, 2^1205013163 is an apocalyptic number.

1205013163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205013163 is an equidigital number, since it uses as much as digits as its factorization.

1205013163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1205013163 is about 34713.2995118586. The cubic root of 1205013163 is about 1064.1363134357.

Adding to 1205013163 its reverse (3613105021), we get a palindrome (4818118184).

The spelling of 1205013163 in words is "one billion, two hundred five million, thirteen thousand, one hundred sixty-three".