122842886069401 has 3 divisors (see below), whose sum is σ = 122842897152853. Its totient is φ = 122842874985950.

The previous prime is 122842886069357. The next prime is 122842886069417. The reversal of 122842886069401 is 104960688248221.

It is a happy number.

The square root of 122842886069401 is 11083451.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 122842886069401 - 2¹³ = 122842886061209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122842886069401.

It is not an unprimeable number, because it can be changed into a prime (122842886064401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5541726 + ... + 16625176.

Almost surely, 2^{122842886069401} is an apocalyptic number.

122842886069401 is the 11083451-st square number.

122842886069401 is the 5541726-th centered octagonal number.

It is an amenable number.

122842886069401 is a deficient number, since it is larger than the sum of its proper divisors (11083452).

122842886069401 is an frugal number, since it uses more digits than its factorization.

122842886069401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22166902 (or 11083451 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 61.

The spelling of 122842886069401 in words is "one hundred twenty-two trillion, eight hundred forty-two billion, eight hundred eighty-six million, sixty-nine thousand, four hundred one".