105117043 has 4 divisors (see below), whose sum is σ = 105536088. Its totient is φ = 104698000.

The previous prime is 105117013. The next prime is 105117059. The reversal of 105117043 is 340711501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105117043 - 2¹³ = 105108851 is a prime.

It is a super-2 number, since 2×105117043² = 22099185458127698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105117013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209146 + ... + 209647.

It is an arithmetic number, because the mean of its divisors is an integer number (26384022).

Almost surely, 2^105117043 is an apocalyptic number.

105117043 is a deficient number, since it is larger than the sum of its proper divisors (419045).

105117043 is an equidigital number, since it uses as much as digits as its factorization.

105117043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419044.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 105117043 is about 10252.6602889201. The cubic root of 105117043 is about 471.9446259730.

Adding to 105117043 its reverse (340711501), we get a palindrome (445828544).

The spelling of 105117043 in words is "one hundred five million, one hundred seventeen thousand, forty-three".