122621107239 has 6 divisors (see below), whose sum is σ = 177119377136. Its totient is φ = 81747404820.

The previous prime is 122621107237. The next prime is 122621107333. The reversal of 122621107239 is 932701126221.

122621107239 is a `hidden beast` number, since 1 + 2 + 2 + 621 + 1 + 0 + 7 + 23 + 9 = 666.

It is not a de Polignac number, because 122621107239 - 2¹ = 122621107237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621107237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6812283727 + ... + 6812283744.

Almost surely, 2^122621107239 is an apocalyptic number.

122621107239 is a deficient number, since it is larger than the sum of its proper divisors (54498269897).

122621107239 is a wasteful number, since it uses less digits than its factorization.

122621107239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624567477 (or 13624567474 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 122621107239 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, two hundred thirty-nine".