42124841 has 4 divisors (see below), whose sum is σ = 45954384. Its totient is φ = 38295300.

The previous prime is 42124829. The next prime is 42124847. The reversal of 42124841 is 14842124.

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 a de Polignac number, because none of the positive numbers 2^k-42124841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42124841.

It is not an unprimeable number, because it can be changed into a prime (42124847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914755 + ... + 1914776.

It is an arithmetic number, because the mean of its divisors is an integer number (11488596).

Almost surely, 2^42124841 is an apocalyptic number.

It is an amenable number.

42124841 is a deficient number, since it is larger than the sum of its proper divisors (3829543).

42124841 is a wasteful number, since it uses less digits than its factorization.

42124841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829542.

The product of its digits is 2048, while the sum is 26.

The square root of 42124841 is about 6490.3652439597. The cubic root of 42124841 is about 347.9467290855.

Adding to 42124841 its reverse (14842124), we get a palindrome (56966965).

The spelling of 42124841 in words is "forty-two million, one hundred twenty-four thousand, eight hundred forty-one".