122744285338 has 4 divisors (see below), whose sum is σ = 184116428010. Its totient is φ = 61372142668.

The previous prime is 122744285303. The next prime is 122744285341. The reversal of 122744285338 is 833582447221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119499501969 + 3244783369 = 345687^2 + 56963^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 122744285291 and 122744285300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30686071333 + ... + 30686071336.

Almost surely, 2^122744285338 is an apocalyptic number.

122744285338 is a deficient number, since it is larger than the sum of its proper divisors (61372142672).

122744285338 is an equidigital number, since it uses as much as digits as its factorization.

122744285338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61372142671.

The product of its digits is 2580480, while the sum is 49.

The spelling of 122744285338 in words is "one hundred twenty-two billion, seven hundred forty-four million, two hundred eighty-five thousand, three hundred thirty-eight".