43242111 has 24 divisors (see below), whose sum is σ = 68347344. Its totient is φ = 26127360.

The previous prime is 43242109. The next prime is 43242113. The reversal of 43242111 is 11124234.

It is an interprime number because it is at equal distance from previous prime (43242109) and next prime (43242113).

It is not a de Polignac number, because 43242111 - 2¹ = 43242109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56745 + ... + 57501.

It is an arithmetic number, because the mean of its divisors is an integer number (2847806).

Almost surely, 2^43242111 is an apocalyptic number.

43242111 is a deficient number, since it is larger than the sum of its proper divisors (25105233).

43242111 is a wasteful number, since it uses less digits than its factorization.

43242111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1348 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 43242111 is about 6575.8734020661. The cubic root of 43242111 is about 350.9961038845.

Adding to 43242111 its reverse (11124234), we get a palindrome (54366345).

The spelling of 43242111 in words is "forty-three million, two hundred forty-two thousand, one hundred eleven".