42124605 has 8 divisors (see below), whose sum is σ = 67399392. Its totient is φ = 22466448.

The previous prime is 42124603. The next prime is 42124609. The reversal of 42124605 is 50642124.

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

It is not a de Polignac number, because 42124605 - 2¹ = 42124603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124603) 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, 1404139 + ... + 1404168.

It is an arithmetic number, because the mean of its divisors is an integer number (8424924).

Almost surely, 2^42124605 is an apocalyptic number.

It is an amenable number.

42124605 is a deficient number, since it is larger than the sum of its proper divisors (25274787).

42124605 is a wasteful number, since it uses less digits than its factorization.

42124605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808315.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42124605 is about 6490.3470631392. The cubic root of 42124605 is about 347.9460793059.

Adding to 42124605 its reverse (50642124), we get a palindrome (92766729).

The spelling of 42124605 in words is "forty-two million, one hundred twenty-four thousand, six hundred five".