122611325281 has 3 divisors (see below), whose sum is σ = 122611675441. Its totient is φ = 122610975122.

The previous prime is 122611325261. The next prime is 122611325299. The reversal of 122611325281 is 182523116221.

The square root of 122611325281 is 350159.

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, and also an emirpimes, since its reverse is a distinct semiprime: 182523116221 = 1459 ⋅125101519.

It is not a de Polignac number, because 122611325281 - 2⁹ = 122611324769 is a prime.

It is a super-4 number, since 4×122611325281⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122611325261) 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, 175080 + ... + 525238.

Almost surely, 2^122611325281 is an apocalyptic number.

122611325281 is the 350159-th square number.

122611325281 is the 175080-th centered octagonal number.

It is an amenable number.

122611325281 is a deficient number, since it is larger than the sum of its proper divisors (350160).

122611325281 is an frugal number, since it uses more digits than its factorization.

122611325281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700318 (or 350159 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The spelling of 122611325281 in words is "one hundred twenty-two billion, six hundred eleven million, three hundred twenty-five thousand, two hundred eighty-one".