2040105 has 16 divisors (see below), whose sum is σ = 3282624. Its totient is φ = 1081920.

The previous prime is 2040097. The next prime is 2040107. The reversal of 2040105 is 5010402.

It is not a de Polignac number, because 2040105 - 2³ = 2040097 is a prime.

It is a super-2 number, since 2×2040105² = 8324056822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (205164).

2^2040105 is an apocalyptic number.

It is an amenable number.

2040105 is a deficient number, since it is larger than the sum of its proper divisors (1242519).

2040105 is a wasteful number, since it uses less digits than its factorization.

2040105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2040105 is about 1428.3224425878. The cubic root of 2040105 is about 126.8286900155.

Adding to 2040105 its reverse (5010402), we get a palindrome (7050507).

It can be divided in two parts, 2040 and 105, that added together give a triangular number (2145 = T₆₅).

The spelling of 2040105 in words is "two million, forty thousand, one hundred five".