42120141 has 16 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 23945328.

The previous prime is 42120119. The next prime is 42120157. The reversal of 42120141 is 14102124.

42120141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42120141 - 2¹⁵ = 42087373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42120141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120191) 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 in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^42120141 is an apocalyptic number.

It is an amenable number.

42120141 is a deficient number, since it is larger than the sum of its proper divisors (22391859).

42120141 is a wasteful number, since it uses less digits than its factorization.

42120141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 42120141 is about 6490.0031587049. The cubic root of 42120141 is about 347.9337881033.

Adding to 42120141 its reverse (14102124), we get a palindrome (56222265).

The spelling of 42120141 in words is "forty-two million, one hundred twenty thousand, one hundred forty-one".