2105126 has 4 divisors (see below), whose sum is σ = 3157692. Its totient is φ = 1052562.

The previous prime is 2105119. The next prime is 2105141. The reversal of 2105126 is 6215012.

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

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 as a sum of consecutive naturals, namely, 526280 + ... + 526283.

It is an arithmetic number, because the mean of its divisors is an integer number (789423).

2^2105126 is an apocalyptic number.

2105126 is a deficient number, since it is larger than the sum of its proper divisors (1052566).

2105126 is a wasteful number, since it uses less digits than its factorization.

2105126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052565.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2105126 is about 1450.9052346725. The cubic root of 2105126 is about 128.1620262610.

The spelling of 2105126 in words is "two million, one hundred five thousand, one hundred twenty-six".