42121114 has 16 divisors (see below), whose sum is σ = 73571328. Its totient is φ = 17710992.

The previous prime is 42121099. The next prime is 42121147. The reversal of 42121114 is 41112124.

It is a happy number.

42121114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 27642 + ... + 29125.

It is an arithmetic number, because the mean of its divisors is an integer number (4598208).

Almost surely, 2^42121114 is an apocalyptic number.

42121114 is a deficient number, since it is larger than the sum of its proper divisors (31450214).

42121114 is a wasteful number, since it uses less digits than its factorization.

42121114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56829.

The product of its digits is 64, while the sum is 16.

The square root of 42121114 is about 6490.0781197147. The cubic root of 42121114 is about 347.9364672409.

Adding to 42121114 its reverse (41112124), we get a palindrome (83233238).

The spelling of 42121114 in words is "forty-two million, one hundred twenty-one thousand, one hundred fourteen".