122638247344 has 20 divisors (see below), whose sum is σ = 237639408160. Its totient is φ = 61311948480.

The previous prime is 122638247293. The next prime is 122638247351. The reversal of 122638247344 is 443742836221.

It is a junction number, because it is equal to n+sod(n) for n = 122638247294 and 122638247303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306072 + ... + 582199.

It is an arithmetic number, because the mean of its divisors is an integer number (11881970408).

Almost surely, 2^122638247344 is an apocalyptic number.

It is an amenable number.

122638247344 is a deficient number, since it is larger than the sum of its proper divisors (115001160816).

122638247344 is an equidigital number, since it uses as much as digits as its factorization.

122638247344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896908 (or 896902 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 46.

The spelling of 122638247344 in words is "one hundred twenty-two billion, six hundred thirty-eight million, two hundred forty-seven thousand, three hundred forty-four".