42340127 has 2 divisors, whose sum is σ = 42340128. Its totient is φ = 42340126.

The previous prime is 42340121. The next prime is 42340139. The reversal of 42340127 is 72104324.

42340127 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 a de Polignac number, because none of the positive numbers 2^k-42340127 is a prime.

It is a super-2 number, since 2×42340127² = 3585372708752258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42340121) 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, 21170063 + 21170064.

It is an arithmetic number, because the mean of its divisors is an integer number (21170064).

Almost surely, 2^42340127 is an apocalyptic number.

42340127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42340127 is an equidigital number, since it uses as much as digits as its factorization.

42340127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42340127 is about 6506.9291528339. The cubic root of 42340127 is about 348.5384686925.

The spelling of 42340127 in words is "forty-two million, three hundred forty thousand, one hundred twenty-seven".