2105105 has 8 divisors (see below), whose sum is σ = 2659200. Its totient is φ = 1595376.

The previous prime is 2105071. The next prime is 2105111. The reversal of 2105105 is 5015012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105105 - 2¹⁴ = 2088721 is a prime.

It is a super-2 number, since 2×2105105² = 8862934122050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2105105.

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, 10985 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (332400).

2^2105105 is an apocalyptic number.

It is an amenable number.

2105105 is a deficient number, since it is larger than the sum of its proper divisors (554095).

2105105 is a wasteful number, since it uses less digits than its factorization.

2105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22183.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2105105 is about 1450.8979977931. The cubic root of 2105105 is about 128.1616000931.

The spelling of 2105105 in words is "two million, one hundred five thousand, one hundred five".