43171242 has 16 divisors (see below), whose sum is σ = 86406912. Its totient is φ = 14379680.

The previous prime is 43171241. The next prime is 43171243. The reversal of 43171242 is 24217134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43171241) and next prime (43171243).

It is a super-2 number, since 2×43171242² = 3727512271645128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43171241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158 + ... + 16934.

It is an arithmetic number, because the mean of its divisors is an integer number (5400432).

Almost surely, 2^43171242 is an apocalyptic number.

43171242 is an abundant number, since it is smaller than the sum of its proper divisors (43235670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43171242 is a wasteful number, since it uses less digits than its factorization.

43171242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373.

The product of its digits is 1344, while the sum is 24.

The square root of 43171242 is about 6570.4826306749. The cubic root of 43171242 is about 350.8042512076.

Adding to 43171242 its reverse (24217134), we get a palindrome (67388376).

The spelling of 43171242 in words is "forty-three million, one hundred seventy-one thousand, two hundred forty-two".