42161126 has 16 divisors (see below), whose sum is σ = 73462560. Its totient is φ = 17772480.

The previous prime is 42161111. The next prime is 42161131. The reversal of 42161126 is 62116124.

42161126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 23831 + ... + 25538.

It is an arithmetic number, because the mean of its divisors is an integer number (4591410).

Almost surely, 2^42161126 is an apocalyptic number.

42161126 is a deficient number, since it is larger than the sum of its proper divisors (31301434).

42161126 is a wasteful number, since it uses less digits than its factorization.

42161126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49439.

The product of its digits is 576, while the sum is 23.

The square root of 42161126 is about 6493.1599395056. The cubic root of 42161126 is about 348.0466038348.

The spelling of 42161126 in words is "forty-two million, one hundred sixty-one thousand, one hundred twenty-six".