42125022 has 24 divisors (see below), whose sum is σ = 94652376. Its totient is φ = 14041512.

The previous prime is 42124987. The next prime is 42125047. The reversal of 42125022 is 22052124.

42125022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42124986 and 42125004.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 42853 + ... + 43824.

It is an arithmetic number, because the mean of its divisors is an integer number (3943849).

Almost surely, 2^42125022 is an apocalyptic number.

42125022 is an abundant number, since it is smaller than the sum of its proper divisors (52527354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42125022 is an equidigital number, since it uses as much as digits as its factorization.

42125022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86694 (or 86682 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42125022 is about 6490.3791876900. The cubic root of 42125022 is about 347.9472274317.

Adding to 42125022 its reverse (22052124), we get a palindrome (64177146).

The spelling of 42125022 in words is "forty-two million, one hundred twenty-five thousand, twenty-two".