42132187 has 2 divisors, whose sum is σ = 42132188. Its totient is φ = 42132186.

The previous prime is 42132161. The next prime is 42132197. The reversal of 42132187 is 78123124.

42132187 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 42132187 - 2¹¹ = 42130139 is a prime.

It is not a weakly prime, because it can be changed into another prime (42132127) 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 as a sum of consecutive naturals, namely, 21066093 + 21066094.

It is an arithmetic number, because the mean of its divisors is an integer number (21066094).

Almost surely, 2^42132187 is an apocalyptic number.

42132187 is a deficient number, since it is larger than the sum of its proper divisors (1).

42132187 is an equidigital number, since it uses as much as digits as its factorization.

42132187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 42132187 is about 6490.9311350530. The cubic root of 42132187 is about 347.9669536374.

It can be divided in two parts, 4213 and 2187, that added together give a square (6400 = 80²).

The spelling of 42132187 in words is "forty-two million, one hundred thirty-two thousand, one hundred eighty-seven".