42123060 has 144 divisors (see below), whose sum is σ = 147917952. Its totient is φ = 9504000.

The previous prime is 42123049. The next prime is 42123073. The reversal of 42123060 is 6032124.

It is a happy number.

42123060 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 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 47 ways as a sum of consecutive naturals, for example, 127095 + ... + 127425.

It is an arithmetic number, because the mean of its divisors is an integer number (1027208).

Almost surely, 2^42123060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42123060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73958976).

42123060 is an abundant number, since it is smaller than the sum of its proper divisors (105794892).

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

42123060 is a wasteful number, since it uses less digits than its factorization.

42123060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42123060 is about 6490.2280391370. The cubic root of 42123060 is about 347.9418253925.

Adding to 42123060 its reverse (6032124), we get a palindrome (48155184).

The spelling of 42123060 in words is "forty-two million, one hundred twenty-three thousand, sixty".