2105042 has 16 divisors (see below), whose sum is σ = 3381912. Its totient is φ = 979200.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105042 is 2405012.

It can be written as a sum of positive squares in 4 ways, for example, as 1901641 + 203401 = 1379^2 + 451^2 .

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, 3128 + ... + 3740.

2^2105042 is an apocalyptic number.

2105042 is a deficient number, since it is larger than the sum of its proper divisors (1276870).

2105042 is a wasteful number, since it uses less digits than its factorization.

2105042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2105042 is about 1450.8762869383. The cubic root of 2105042 is about 128.1603215724.

The spelling of 2105042 in words is "two million, one hundred five thousand, forty-two".