1203213163 has 2 divisors, whose sum is σ = 1203213164. Its totient is φ = 1203213162.

The previous prime is 1203213139. The next prime is 1203213203. The reversal of 1203213163 is 3613123021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203213163 - 2⁹ = 1203212651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203213463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601606581 + 601606582.

It is an arithmetic number, because the mean of its divisors is an integer number (601606582).

Almost surely, 2^1203213163 is an apocalyptic number.

1203213163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203213163 is an equidigital number, since it uses as much as digits as its factorization.

1203213163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1203213163 is about 34687.3631600904. The cubic root of 1203213163 is about 1063.6061947743.

Adding to 1203213163 its reverse (3613123021), we get a palindrome (4816336184).

The spelling of 1203213163 in words is "one billion, two hundred three million, two hundred thirteen thousand, one hundred sixty-three".