4131243 has 16 divisors (see below), whose sum is σ = 6199200. Its totient is φ = 2752704.

The previous prime is 4131241. The next prime is 4131293. The reversal of 4131243 is 3421314.

It is not a de Polignac number, because 4131243 - 2¹ = 4131241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4131241) 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 15 ways as a sum of consecutive naturals, for example, 1243 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 2^4131243 is an apocalyptic number.

4131243 is a deficient number, since it is larger than the sum of its proper divisors (2067957).

4131243 is an frugal number, since it uses more digits than its factorization.

4131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1892 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4131243 is about 2032.5459404402. The cubic root of 4131243 is about 160.4575833409.

Adding to 4131243 its reverse (3421314), we get a palindrome (7552557).

The spelling of 4131243 in words is "four million, one hundred thirty-one thousand, two hundred forty-three".