42003127 has 2 divisors, whose sum is σ = 42003128. Its totient is φ = 42003126.

The previous prime is 42003119. The next prime is 42003139. The reversal of 42003127 is 72130024.

42003127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42003127 - 2³ = 42003119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003187) 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, 21001563 + 21001564.

It is an arithmetic number, because the mean of its divisors is an integer number (21001564).

Almost surely, 2^42003127 is an apocalyptic number.

42003127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003127 is an equidigital number, since it uses as much as digits as its factorization.

42003127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 42003127 is about 6480.9819472052. The cubic root of 42003127 is about 347.6112908899.

The spelling of 42003127 in words is "forty-two million, three thousand, one hundred twenty-seven".