42128062 has 4 divisors (see below), whose sum is σ = 63192096. Its totient is φ = 21064030.

The previous prime is 42128041. The next prime is 42128069. The reversal of 42128062 is 26082124.

It is a happy number.

42128062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42128069) 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 as a sum of consecutive naturals, namely, 10532014 + ... + 10532017.

It is an arithmetic number, because the mean of its divisors is an integer number (15798024).

Almost surely, 2^42128062 is an apocalyptic number.

42128062 is a deficient number, since it is larger than the sum of its proper divisors (21064034).

42128062 is a wasteful number, since it uses less digits than its factorization.

42128062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064033.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42128062 is about 6490.6133762534. The cubic root of 42128062 is about 347.9555972325.

The spelling of 42128062 in words is "forty-two million, one hundred twenty-eight thousand, sixty-two".