122848147009 has 45 divisors (see below), whose sum is σ = 150299556449. Its totient is φ = 100396360680.

The previous prime is 122848147001. The next prime is 122848147021. The reversal of 122848147009 is 900741848221.

The square root of 122848147009 is 350497.

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

It is not a de Polignac number, because 122848147009 - 2³ = 122848147001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122848147009.

It is not an unprimeable number, because it can be changed into a prime (122848147001) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 395009964 + ... + 395010274.

Almost surely, 2^122848147009 is an apocalyptic number.

122848147009 is the 350497-th square number.

122848147009 is the 175249-th centered octagonal number.

It is an amenable number.

122848147009 is a deficient number, since it is larger than the sum of its proper divisors (27451409440).

122848147009 is an frugal number, since it uses more digits than its factorization.

122848147009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 122848147009 in words is "one hundred twenty-two billion, eight hundred forty-eight million, one hundred forty-seven thousand, nine".