4131123 has 4 divisors (see below), whose sum is σ = 5508168. Its totient is φ = 2754080.

The previous prime is 4131109. The next prime is 4131223. The reversal of 4131123 is 3211314.

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 4131123 - 2⁴ = 4131107 is a prime.

It is a super-2 number, since 2×4131123² = 34132354482258, which contains 22 as substring.

It is a D-number.

4131123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4131223) 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, 688518 + ... + 688523.

It is an arithmetic number, because the mean of its divisors is an integer number (1377042).

Almost surely, 2^4131123 is an apocalyptic number.

4131123 is a deficient number, since it is larger than the sum of its proper divisors (1377045).

4131123 is a wasteful number, since it uses less digits than its factorization.

4131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377044.

The product of its digits is 72, while the sum is 15.

The square root of 4131123 is about 2032.5164205979. The cubic root of 4131123 is about 160.4560297249.

Adding to 4131123 its reverse (3211314), we get a palindrome (7342437).

The spelling of 4131123 in words is "four million, one hundred thirty-one thousand, one hundred twenty-three".