4129105 has 4 divisors (see below), whose sum is σ = 4954932. Its totient is φ = 3303280.

The previous prime is 4129087. The next prime is 4129109. The reversal of 4129105 is 5019214.

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 1468944 + 2660161 = 1212^2 + 1631^2 .

It is not a de Polignac number, because 4129105 - 2¹⁹ = 3604817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4129109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412906 + ... + 412915.

It is an arithmetic number, because the mean of its divisors is an integer number (1238733).

Almost surely, 2^4129105 is an apocalyptic number.

It is an amenable number.

4129105 is a deficient number, since it is larger than the sum of its proper divisors (825827).

4129105 is an equidigital number, since it uses as much as digits as its factorization.

4129105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825826.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 4129105 is about 2032.0199310046. The cubic root of 4129105 is about 160.4298985731.

The spelling of 4129105 in words is "four million, one hundred twenty-nine thousand, one hundred five".