42241243 has 8 divisors (see below), whose sum is σ = 48792240. Its totient is φ = 36142080.

The previous prime is 42241229. The next prime is 42241247. The reversal of 42241243 is 34214224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42241243 - 2⁵ = 42241211 is a prime.

It is a super-2 number, since 2×42241243² = 3568645220370098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42241247) 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, 112758 + ... + 113131.

It is an arithmetic number, because the mean of its divisors is an integer number (6099030).

Almost surely, 2^42241243 is an apocalyptic number.

42241243 is a deficient number, since it is larger than the sum of its proper divisors (6550997).

42241243 is a wasteful number, since it uses less digits than its factorization.

42241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225917.

The product of its digits is 1536, while the sum is 22.

The square root of 42241243 is about 6499.3263497073. The cubic root of 42241243 is about 348.2669237399.

Adding to 42241243 its reverse (34214224), we get a palindrome (76455467).

The spelling of 42241243 in words is "forty-two million, two hundred forty-one thousand, two hundred forty-three".