105105043 has 2 divisors, whose sum is σ = 105105044. Its totient is φ = 105105042.

The previous prime is 105105031. The next prime is 105105053. The reversal of 105105043 is 340501501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105105043 - 2¹⁷ = 104973971 is a prime.

It is a super-2 number, since 2×105105043² = 22094140128063698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105105043.

It is not a weakly prime, because it can be changed into another prime (105105023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552521 + 52552522.

It is an arithmetic number, because the mean of its divisors is an integer number (52552522).

Almost surely, 2^105105043 is an apocalyptic number.

105105043 is a deficient number, since it is larger than the sum of its proper divisors (1).

105105043 is an equidigital number, since it uses as much as digits as its factorization.

105105043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 105105043 is about 10252.0750582504. The cubic root of 105105043 is about 471.9266664653.

Adding to 105105043 its reverse (340501501), we get a palindrome (445606544).

The spelling of 105105043 in words is "one hundred five million, one hundred five thousand, forty-three".