842122093 has 2 divisors, whose sum is σ = 842122094. Its totient is φ = 842122092.

The previous prime is 842122063. The next prime is 842122117. The reversal of 842122093 is 390221248.

842122093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498316329 + 343805764 = 22323^2 + 18542^2 .

It is a cyclic number.

It is not a de Polignac number, because 842122093 - 2¹³ = 842113901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842122003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421061046 + 421061047.

It is an arithmetic number, because the mean of its divisors is an integer number (421061047).

Almost surely, 2^842122093 is an apocalyptic number.

It is an amenable number.

842122093 is a deficient number, since it is larger than the sum of its proper divisors (1).

842122093 is an equidigital number, since it uses as much as digits as its factorization.

842122093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 842122093 is about 29019.3399821567. The cubic root of 842122093 is about 944.3326823008.

The spelling of 842122093 in words is "eight hundred forty-two million, one hundred twenty-two thousand, ninety-three".