122445555782 has 24 divisors (see below), whose sum is σ = 201909458856. Its totient is φ = 55649880000.

The previous prime is 122445555779. The next prime is 122445555833. The reversal of 122445555782 is 287555544221.

It is a self number, because there is not a number n which added to its sum of digits gives 122445555782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2142782 + ... + 2199182.

It is an arithmetic number, because the mean of its divisors is an integer number (8412894119).

Almost surely, 2^122445555782 is an apocalyptic number.

122445555782 is a deficient number, since it is larger than the sum of its proper divisors (79463903074).

122445555782 is a wasteful number, since it uses less digits than its factorization.

122445555782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65396 (or 65385 counting only the distinct ones).

The product of its digits is 4480000, while the sum is 50.

The spelling of 122445555782 in words is "one hundred twenty-two billion, four hundred forty-five million, five hundred fifty-five thousand, seven hundred eighty-two".