42112241 has 4 divisors (see below), whose sum is σ = 43943232. Its totient is φ = 40281252.

The previous prime is 42112211. The next prime is 42112261. The reversal of 42112241 is 14221124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42112241 - 2²² = 37917937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915461 + ... + 915506.

It is an arithmetic number, because the mean of its divisors is an integer number (10985808).

Almost surely, 2^42112241 is an apocalyptic number.

It is an amenable number.

42112241 is a deficient number, since it is larger than the sum of its proper divisors (1830991).

42112241 is a wasteful number, since it uses less digits than its factorization.

42112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830990.

The product of its digits is 128, while the sum is 17.

The square root of 42112241 is about 6489.3945018006. The cubic root of 42112241 is about 347.9120340705.

Adding to 42112241 its reverse (14221124), we get a palindrome (56333365).

The spelling of 42112241 in words is "forty-two million, one hundred twelve thousand, two hundred forty-one".