122440385329 has 8 divisors (see below), whose sum is σ = 124341985152. Its totient is φ = 120553137600.

The previous prime is 122440385293. The next prime is 122440385339. The reversal of 122440385329 is 923583044221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122440385329 - 2¹⁹ = 122439861041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122440385339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570829 + ... + 3604954.

It is an arithmetic number, because the mean of its divisors is an integer number (15542748144).

Almost surely, 2^122440385329 is an apocalyptic number.

It is an amenable number.

122440385329 is a deficient number, since it is larger than the sum of its proper divisors (1901599823).

122440385329 is a wasteful number, since it uses less digits than its factorization.

122440385329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176047.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 122440385329 in words is "one hundred twenty-two billion, four hundred forty million, three hundred eighty-five thousand, three hundred twenty-nine".