4123191 has 16 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 2617440.

The previous prime is 4123181. The next prime is 4123199. The reversal of 4123191 is 1913214.

It is not a de Polignac number, because 4123191 - 2⁶ = 4123127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6936 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^4123191 is an apocalyptic number.

4123191 is a deficient number, since it is larger than the sum of its proper divisors (1642569).

4123191 is a wasteful number, since it uses less digits than its factorization.

4123191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 216, while the sum is 21.

The square root of 4123191 is about 2030.5642073079. The cubic root of 4123191 is about 160.3532689118.

It can be divided in two parts, 41 and 23191, that added together give a palindrome (23232).

The spelling of 4123191 in words is "four million, one hundred twenty-three thousand, one hundred ninety-one".