122643661041 has 24 divisors (see below), whose sum is σ = 193939608096. Its totient is φ = 74066826240.

The previous prime is 122643661033. The next prime is 122643661163. The reversal of 122643661041 is 140166346221.

122643661041 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 4 + 36 + 610 + 4 + 1 = 666.

It is not a de Polignac number, because 122643661041 - 2³ = 122643661033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122643660987 and 122643661005.

It is not an unprimeable number, because it can be changed into a prime (122643661741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2160720 + ... + 2216753.

It is an arithmetic number, because the mean of its divisors is an integer number (8080817004).

Almost surely, 2^122643661041 is an apocalyptic number.

122643661041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122643661041 is a deficient number, since it is larger than the sum of its proper divisors (71295947055).

122643661041 is a wasteful number, since it uses less digits than its factorization.

122643661041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377773 (or 4377770 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 122643661041 in words is "one hundred twenty-two billion, six hundred forty-three million, six hundred sixty-one thousand, forty-one".