1205350043 has 2 divisors, whose sum is σ = 1205350044. Its totient is φ = 1205350042.

The previous prime is 1205350007. The next prime is 1205350049. The reversal of 1205350043 is 3400535021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1205350043 - 2⁸ = 1205349787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205350049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602675021 + 602675022.

It is an arithmetic number, because the mean of its divisors is an integer number (602675022).

Almost surely, 2^1205350043 is an apocalyptic number.

1205350043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205350043 is an equidigital number, since it uses as much as digits as its factorization.

1205350043 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 1205350043 is about 34718.1514916909. The cubic root of 1205350043 is about 1064.2354694313.

Adding to 1205350043 its reverse (3400535021), we get a palindrome (4605885064).

The spelling of 1205350043 in words is "one billion, two hundred five million, three hundred fifty thousand, forty-three".