122555777841 has 16 divisors (see below), whose sum is σ = 207501846400. Its totient is φ = 70031872944.

The previous prime is 122555777831. The next prime is 122555777849. The reversal of 122555777841 is 148777555221.

122555777841 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 557 + 7 + 7 + 84 + 1 = 666.

It is not a de Polignac number, because 122555777841 - 2⁵ = 122555777809 is a prime.

It is a super-3 number, since 3×122555777841³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122555777849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324221446 + ... + 324221823.

It is an arithmetic number, because the mean of its divisors is an integer number (12968865400).

Almost surely, 2^122555777841 is an apocalyptic number.

It is an amenable number.

122555777841 is a deficient number, since it is larger than the sum of its proper divisors (84946068559).

122555777841 is an equidigital number, since it uses as much as digits as its factorization.

122555777841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648443285 (or 648443279 counting only the distinct ones).

The product of its digits is 5488000, while the sum is 54.

The spelling of 122555777841 in words is "one hundred twenty-two billion, five hundred fifty-five million, seven hundred seventy-seven thousand, eight hundred forty-one".