122405230544 has 20 divisors (see below), whose sum is σ = 244810462080. Its totient is φ = 59228337120.

The previous prime is 122405230523. The next prime is 122405230547. The reversal of 122405230544 is 445032504221.

122405230544 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 122405230544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122405230547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123391874 + ... + 123392865.

It is an arithmetic number, because the mean of its divisors is an integer number (12240523104).

Almost surely, 2^122405230544 is an apocalyptic number.

It is an amenable number.

122405230544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122405230544 is a wasteful number, since it uses less digits than its factorization.

122405230544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246784778 (or 246784772 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 122405230544 its reverse (445032504221), we get a palindrome (567437734765).

The spelling of 122405230544 in words is "one hundred twenty-two billion, four hundred five million, two hundred thirty thousand, five hundred forty-four".