42146207 has 2 divisors, whose sum is σ = 42146208. Its totient is φ = 42146206.

The previous prime is 42146173. The next prime is 42146233. The reversal of 42146207 is 70264124.

42146207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42146233) can be obtained adding 42146207 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42146207 - 2¹⁴ = 42129823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42146297) 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, 21073103 + 21073104.

It is an arithmetic number, because the mean of its divisors is an integer number (21073104).

Almost surely, 2^42146207 is an apocalyptic number.

42146207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42146207 is an equidigital number, since it uses as much as digits as its factorization.

42146207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42146207 is about 6492.0110135458. The cubic root of 42146207 is about 348.0055461088.

The spelling of 42146207 in words is "forty-two million, one hundred forty-six thousand, two hundred seven".