42131267 has 2 divisors, whose sum is σ = 42131268. Its totient is φ = 42131266.

The previous prime is 42131183. The next prime is 42131273. The reversal of 42131267 is 76213124.

42131267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42131267 - 2¹⁴ = 42114883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42136267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065633 + 21065634.

It is an arithmetic number, because the mean of its divisors is an integer number (21065634).

Almost surely, 2^42131267 is an apocalyptic number.

42131267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42131267 is an equidigital number, since it uses as much as digits as its factorization.

42131267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 42131267 is about 6490.8602665594. The cubic root of 42131267 is about 347.9644208792.

The spelling of 42131267 in words is "forty-two million, one hundred thirty-one thousand, two hundred sixty-seven".