122115831602 has 6 divisors (see below), whose sum is σ = 183174488703. Its totient is φ = 61057668702.

The previous prime is 122115831599. The next prime is 122115831611. The reversal of 122115831602 is 206138511221.

It can be written as a sum of positive squares in only one way, i.e., 61057915801 + 61057915801 = 247099^2 + 247099^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247099.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 370649 + ... + 617747.

Almost surely, 2^122115831602 is an apocalyptic number.

122115831602 is a deficient number, since it is larger than the sum of its proper divisors (61058657101).

122115831602 is an frugal number, since it uses more digits than its factorization.

122115831602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494200 (or 247101 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Multiplying 122115831602 by its sum of digits (32), we get a square (3907706611264 = 1976792²).

The spelling of 122115831602 in words is "one hundred twenty-two billion, one hundred fifteen million, eight hundred thirty-one thousand, six hundred two".