42124959 has 6 divisors (see below), whose sum is σ = 60847176. Its totient is φ = 28083300.

The previous prime is 42124949. The next prime is 42124961. The reversal of 42124959 is 95942124.

42124959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42124959 - 2¹⁵ = 42092191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2340267 + ... + 2340284.

It is an arithmetic number, because the mean of its divisors is an integer number (10141196).

Almost surely, 2^42124959 is an apocalyptic number.

42124959 is a deficient number, since it is larger than the sum of its proper divisors (18722217).

42124959 is a wasteful number, since it uses less digits than its factorization.

42124959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680557 (or 4680554 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 42124959 is about 6490.3743343508. The cubic root of 42124959 is about 347.9470539743.

The spelling of 42124959 in words is "forty-two million, one hundred twenty-four thousand, nine hundred fifty-nine".