4027105 has 4 divisors (see below), whose sum is σ = 4832532. Its totient is φ = 3221680.

The previous prime is 4027103. The next prime is 4027123. The reversal of 4027105 is 5017204.

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 1164241 + 2862864 = 1079^2 + 1692^2 .

It is not a de Polignac number, because 4027105 - 2¹ = 4027103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402706 + ... + 402715.

It is an arithmetic number, because the mean of its divisors is an integer number (1208133).

Almost surely, 2^4027105 is an apocalyptic number.

It is an amenable number.

4027105 is a deficient number, since it is larger than the sum of its proper divisors (805427).

4027105 is an equidigital number, since it uses as much as digits as its factorization.

4027105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805426.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4027105 is about 2006.7648093387. The cubic root of 4027105 is about 159.0978525603.

Subtracting 4027105 from its reverse (5017204), we obtain a palindrome (990099).

The spelling of 4027105 in words is "four million, twenty-seven thousand, one hundred five".