805122127058 has 54 divisors (see below), whose sum is σ = 1266899083749. Its totient is φ = 383731689600.

The previous prime is 805122127021. The next prime is 805122127087. The reversal of 805122127058 is 850721221508.

805122127058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 803025677689 + 2096449369 = 896117^2 + 45787^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=634477.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3815744573 + ... + 3815744783.

Almost surely, 2^805122127058 is an apocalyptic number.

805122127058 is a deficient number, since it is larger than the sum of its proper divisors (461776956691).

805122127058 is an frugal number, since it uses more digits than its factorization.

805122127058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 805122127058 in words is "eight hundred five billion, one hundred twenty-two million, one hundred twenty-seven thousand, fifty-eight".