42122541 has 8 divisors (see below), whose sum is σ = 56742784. Its totient is φ = 27792000.

The previous prime is 42122537. The next prime is 42122573. The reversal of 42122541 is 14522124.

42122541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42122541 - 2² = 42122537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122341) 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 7 ways as a sum of consecutive naturals, for example, 72085 + ... + 72666.

It is an arithmetic number, because the mean of its divisors is an integer number (7092848).

Almost surely, 2^42122541 is an apocalyptic number.

It is an amenable number.

42122541 is a deficient number, since it is larger than the sum of its proper divisors (14620243).

42122541 is a wasteful number, since it uses less digits than its factorization.

42122541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144851.

The product of its digits is 640, while the sum is 21.

The square root of 42122541 is about 6490.1880558270. The cubic root of 42122541 is about 347.9403963847.

Adding to 42122541 its reverse (14522124), we get a palindrome (56644665).

The spelling of 42122541 in words is "forty-two million, one hundred twenty-two thousand, five hundred forty-one".