4138111 has 2 divisors, whose sum is σ = 4138112. Its totient is φ = 4138110.

The previous prime is 4138073. The next prime is 4138129. The reversal of 4138111 is 1118314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4138111 - 2¹⁷ = 4007039 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4138711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069055 + 2069056.

It is an arithmetic number, because the mean of its divisors is an integer number (2069056).

Almost surely, 2^4138111 is an apocalyptic number.

4138111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138111 is an equidigital number, since it uses as much as digits as its factorization.

4138111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

The square root of 4138111 is about 2034.2347455493. The cubic root of 4138111 is about 160.5464518775.

The spelling of 4138111 in words is "four million, one hundred thirty-eight thousand, one hundred eleven".