105206234 has 24 divisors (see below), whose sum is σ = 194375700. Its totient is φ = 42435456.

The previous prime is 105206203. The next prime is 105206239. The reversal of 105206234 is 432602501.

It can be written as a sum of positive squares in 2 ways, for example, as 105165025 + 41209 = 10255^2 + 203^2 .

It is a super-2 number, since 2×105206234² = 22136703344925512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105206239) 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 in 11 ways as a sum of consecutive naturals, for example, 29909 + ... + 33240.

Almost surely, 2^105206234 is an apocalyptic number.

105206234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105206234 is a deficient number, since it is larger than the sum of its proper divisors (89169466).

105206234 is a wasteful number, since it uses less digits than its factorization.

105206234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63182 (or 63175 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105206234 is about 10257.0090182275. The cubic root of 105206234 is about 472.0780686964.

Adding to 105206234 its reverse (432602501), we get a palindrome (537808735).

The spelling of 105206234 in words is "one hundred five million, two hundred six thousand, two hundred thirty-four".