122834561779 has 4 divisors (see below), whose sum is σ = 122835440376. Its totient is φ = 122833683184.

The previous prime is 122834561771. The next prime is 122834561797. The reversal of 122834561779 is 977165438221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122834561779 - 2³ = 122834561771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122834561771) 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 in 3 ways as a sum of consecutive naturals, for example, 177634 + ... + 526519.

It is an arithmetic number, because the mean of its divisors is an integer number (30708860094).

Almost surely, 2^122834561779 is an apocalyptic number.

122834561779 is a deficient number, since it is larger than the sum of its proper divisors (878597).

122834561779 is an equidigital number, since it uses as much as digits as its factorization.

122834561779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878596.

The product of its digits is 5080320, while the sum is 55.

The spelling of 122834561779 in words is "one hundred twenty-two billion, eight hundred thirty-four million, five hundred sixty-one thousand, seven hundred seventy-nine".