122445813448 has 24 divisors (see below), whose sum is σ = 267069313350. Its totient is φ = 52476777024.

The previous prime is 122445813421. The next prime is 122445813491. The reversal of 122445813448 is 844318544221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72351316324 + 50094497124 = 268982^2 + 223818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122445813398 and 122445813407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156180493 + ... + 156181276.

Almost surely, 2^122445813448 is an apocalyptic number.

It is an amenable number.

122445813448 is an abundant number, since it is smaller than the sum of its proper divisors (144623499902).

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

122445813448 is a wasteful number, since it uses less digits than its factorization.

122445813448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312361789 (or 312361778 counting only the distinct ones).

The product of its digits is 983040, while the sum is 46.

The spelling of 122445813448 in words is "one hundred twenty-two billion, four hundred forty-five million, eight hundred thirteen thousand, four hundred forty-eight".