4123111 has 2 divisors, whose sum is σ = 4123112. Its totient is φ = 4123110.

The previous prime is 4123099. The next prime is 4123121. The reversal of 4123111 is 1113214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4123111 - 2⁵ = 4123079 is a prime.

4123111 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4123091 and 4123100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061555 + 2061556.

It is an arithmetic number, because the mean of its divisors is an integer number (2061556).

Almost surely, 2^4123111 is an apocalyptic number.

4123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123111 is an equidigital number, since it uses as much as digits as its factorization.

4123111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24, while the sum is 13.

The square root of 4123111 is about 2030.5445082539. The cubic root of 4123111 is about 160.3522318231.

Adding to 4123111 its reverse (1113214), we get a palindrome (5236325).

The spelling of 4123111 in words is "four million, one hundred twenty-three thousand, one hundred eleven".