1205232503 has 2 divisors, whose sum is σ = 1205232504. Its totient is φ = 1205232502.

The previous prime is 1205232481. The next prime is 1205232517. The reversal of 1205232503 is 3052325021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1205232503 - 2⁶ = 1205232439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205232533) 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, 602616251 + 602616252.

It is an arithmetic number, because the mean of its divisors is an integer number (602616252).

Almost surely, 2^1205232503 is an apocalyptic number.

1205232503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205232503 is an equidigital number, since it uses as much as digits as its factorization.

1205232503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1205232503 is about 34716.4586759652. The cubic root of 1205232503 is about 1064.2008752473.

Adding to 1205232503 its reverse (3052325021), we get a palindrome (4257557524).

The spelling of 1205232503 in words is "one billion, two hundred five million, two hundred thirty-two thousand, five hundred three".