842120063 has 2 divisors, whose sum is σ = 842120064. Its totient is φ = 842120062.

The previous prime is 842120023. The next prime is 842120087. The reversal of 842120063 is 360021248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842120063 - 2⁸ = 842119807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421060031 + 421060032.

It is an arithmetic number, because the mean of its divisors is an integer number (421060032).

Almost surely, 2^842120063 is an apocalyptic number.

842120063 is a deficient number, since it is larger than the sum of its proper divisors (1).

842120063 is an equidigital number, since it uses as much as digits as its factorization.

842120063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 842120063 is about 29019.3050054615. The cubic root of 842120063 is about 944.3319235047.

The spelling of 842120063 in words is "eight hundred forty-two million, one hundred twenty thousand, sixty-three".