42124413 has 8 divisors (see below), whose sum is σ = 56275776. Its totient is φ = 28028000.

The previous prime is 42124403. The next prime is 42124451. The reversal of 42124413 is 31442124.

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 42124413 - 2⁸ = 42124157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42124413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124403) 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, 11913 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (7034472).

Almost surely, 2^42124413 is an apocalyptic number.

It is an amenable number.

42124413 is a deficient number, since it is larger than the sum of its proper divisors (14151363).

42124413 is a wasteful number, since it uses less digits than its factorization.

42124413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27475.

The product of its digits is 768, while the sum is 21.

The square root of 42124413 is about 6490.3322719257. The cubic root of 42124413 is about 347.9455506699.

Adding to 42124413 its reverse (31442124), we get a palindrome (73566537).

The spelling of 42124413 in words is "forty-two million, one hundred twenty-four thousand, four hundred thirteen".