122073581604 has 96 divisors (see below), whose sum is σ = 315166400640. Its totient is φ = 36543541248.

The previous prime is 122073581603. The next prime is 122073581611. The reversal of 122073581604 is 406185370221.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (122073581603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824422 + ... + 961154.

It is an arithmetic number, because the mean of its divisors is an integer number (3282983340).

Almost surely, 2^122073581604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122073581604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157583200320).

122073581604 is an abundant number, since it is smaller than the sum of its proper divisors (193092819036).

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

122073581604 is a wasteful number, since it uses less digits than its factorization.

122073581604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136909 (or 136907 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 122073581604 in words is "one hundred twenty-two billion, seventy-three million, five hundred eighty-one thousand, six hundred four".