4105123 has 4 divisors (see below), whose sum is σ = 4478328. Its totient is φ = 3731920.

The previous prime is 4105111. The next prime is 4105151. The reversal of 4105123 is 3215014.

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

It is a cyclic number.

It is not a de Polignac number, because 4105123 - 2⁵ = 4105091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4105097 and 4105106.

It is not an unprimeable number, because it can be changed into a prime (4105103) 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, 186586 + ... + 186607.

It is an arithmetic number, because the mean of its divisors is an integer number (1119582).

Almost surely, 2^4105123 is an apocalyptic number.

4105123 is a deficient number, since it is larger than the sum of its proper divisors (373205).

4105123 is a wasteful number, since it uses less digits than its factorization.

4105123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373204.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4105123 is about 2026.1103128902. The cubic root of 4105123 is about 160.1187009787.

The spelling of 4105123 in words is "four million, one hundred five thousand, one hundred twenty-three".