2141105 has 4 divisors (see below), whose sum is σ = 2569332. Its totient is φ = 1712880.

The previous prime is 2141071. The next prime is 2141123. The reversal of 2141105 is 5011412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 1752976 = 623^2 + 1324^2 .

It is not a de Polignac number, because 2141105 - 2⁸ = 2140849 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214106 + ... + 214115.

It is an arithmetic number, because the mean of its divisors is an integer number (642333).

2^2141105 is an apocalyptic number.

It is an amenable number.

2141105 is a deficient number, since it is larger than the sum of its proper divisors (428227).

2141105 is an equidigital number, since it uses as much as digits as its factorization.

2141105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428226.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2141105 is about 1463.2515163156. The cubic root of 2141105 is about 128.8880506232. Note that the first 3 decimals are identical.

Adding to 2141105 its reverse (5011412), we get a palindrome (7152517).

The spelling of 2141105 in words is "two million, one hundred forty-one thousand, one hundred five".