105056605 has 16 divisors (see below), whose sum is σ = 133228800. Its totient is φ = 79306560.

The previous prime is 105056593. The next prime is 105056621. The reversal of 105056605 is 506650501.

It is not a de Polignac number, because 105056605 - 2⁷ = 105056477 is a prime.

It is a super-2 number, since 2×105056605² = 22073780508252050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23500 + ... + 27610.

It is an arithmetic number, because the mean of its divisors is an integer number (8326800).

Almost surely, 2^105056605 is an apocalyptic number.

It is an amenable number.

105056605 is a deficient number, since it is larger than the sum of its proper divisors (28172195).

105056605 is a wasteful number, since it uses less digits than its factorization.

105056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 105056605 is about 10249.7124349906. The cubic root of 105056605 is about 471.8541590140.

The spelling of 105056605 in words is "one hundred five million, fifty-six thousand, six hundred five".