122666640604 has 12 divisors (see below), whose sum is σ = 214677308664. Its totient is φ = 61330266704.

The previous prime is 122666640599. The next prime is 122666640637. The reversal of 122666640604 is 406046666221.

It is a super-3 number, since 3×122666640604³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 671794 + ... + 834649.

It is an arithmetic number, because the mean of its divisors is an integer number (17889775722).

Almost surely, 2^122666640604 is an apocalyptic number.

It is an amenable number.

122666640604 is a deficient number, since it is larger than the sum of its proper divisors (92010668060).

122666640604 is a wasteful number, since it uses less digits than its factorization.

122666640604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526804 (or 1526802 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 122666640604 in words is "one hundred twenty-two billion, six hundred sixty-six million, six hundred forty thousand, six hundred four".