105505206 has 16 divisors (see below), whose sum is σ = 213100848. Its totient is φ = 34820000.

The previous prime is 105505189. The next prime is 105505229. The reversal of 105505206 is 602505501.

It is a super-2 number, since 2×105505206² = 22262696986204872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86445 + ... + 87656.

It is an arithmetic number, because the mean of its divisors is an integer number (13318803).

Almost surely, 2^105505206 is an apocalyptic number.

105505206 is an abundant number, since it is smaller than the sum of its proper divisors (107595642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105505206 is a wasteful number, since it uses less digits than its factorization.

105505206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174207.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 105505206 is about 10271.5727130756. The cubic root of 105505206 is about 472.5248249883.

The spelling of 105505206 in words is "one hundred five million, five hundred five thousand, two hundred six".