122346145563 has 4 divisors (see below), whose sum is σ = 163128194088. Its totient is φ = 81564097040.

The previous prime is 122346145549. The next prime is 122346145591. The reversal of 122346145563 is 365541643221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122346145563 - 2⁶ = 122346145499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122346145543) 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, 20391024258 + ... + 20391024263.

It is an arithmetic number, because the mean of its divisors is an integer number (40782048522).

Almost surely, 2^122346145563 is an apocalyptic number.

122346145563 is a deficient number, since it is larger than the sum of its proper divisors (40782048525).

122346145563 is an equidigital number, since it uses as much as digits as its factorization.

122346145563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782048524.

The product of its digits is 518400, while the sum is 42.

Adding to 122346145563 its reverse (365541643221), we get a palindrome (487887788784).

The spelling of 122346145563 in words is "one hundred twenty-two billion, three hundred forty-six million, one hundred forty-five thousand, five hundred sixty-three".