122120666504 has 8 divisors (see below), whose sum is σ = 228976249710. Its totient is φ = 61060333248.

The previous prime is 122120666453. The next prime is 122120666513. The reversal of 122120666504 is 405666021221.

It can be written as a sum of positive squares in only one way, i.e., 98589720100 + 23530946404 = 313990^2 + 153398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632541649 + ... + 7632541664.

Almost surely, 2^122120666504 is an apocalyptic number.

It is an amenable number.

122120666504 is a deficient number, since it is larger than the sum of its proper divisors (106855583206).

122120666504 is a wasteful number, since it uses less digits than its factorization.

122120666504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15265083319 (or 15265083315 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 122120666504 its reverse (405666021221), we get a palindrome (527786687725).

The spelling of 122120666504 in words is "one hundred twenty-two billion, one hundred twenty million, six hundred sixty-six thousand, five hundred four".