420522832566127 has 2 divisors, whose sum is σ = 420522832566128. Its totient is φ = 420522832566126.

The previous prime is 420522832566121. The next prime is 420522832566169. The reversal of 420522832566127 is 721665238225024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420522832566127 - 2³ = 420522832566119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420522832566121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210261416283063 + 210261416283064.

It is an arithmetic number, because the mean of its divisors is an integer number (210261416283064).

Almost surely, 2^{420522832566127} is an apocalyptic number.

420522832566127 is a deficient number, since it is larger than the sum of its proper divisors (1).

420522832566127 is an equidigital number, since it uses as much as digits as its factorization.

420522832566127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 420522832566127 in words is "four hundred twenty trillion, five hundred twenty-two billion, eight hundred thirty-two million, five hundred sixty-six thousand, one hundred twenty-seven".