122344556789 has 16 divisors (see below), whose sum is σ = 151501725312. Its totient is φ = 96206211648.

The previous prime is 122344556777. The next prime is 122344556797. The reversal of 122344556789 is 987655443221.

It is a cyclic number.

It is not a de Polignac number, because 122344556789 - 2⁴ = 122344556773 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122344556989) 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, 4109234 + ... + 4138899.

It is an arithmetic number, because the mean of its divisors is an integer number (9468857832).

Almost surely, 2^122344556789 is an apocalyptic number.

It is an amenable number.

122344556789 is a deficient number, since it is larger than the sum of its proper divisors (29157168523).

122344556789 is a wasteful number, since it uses less digits than its factorization.

122344556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248316.

The product of its digits is 14515200, while the sum is 56.

The spelling of 122344556789 in words is "one hundred twenty-two billion, three hundred forty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".