122704635272 has 36 divisors (see below), whose sum is σ = 231429703365. Its totient is φ = 60992170560.

The previous prime is 122704635269. The next prime is 122704635299. The reversal of 122704635272 is 272536407221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 103301816836 + 19402818436 = 321406^2 + 139294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247694.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 268500068 + ... + 268500524.

Almost surely, 2^122704635272 is an apocalyptic number.

It is an amenable number.

122704635272 is a deficient number, since it is larger than the sum of its proper divisors (108725068093).

122704635272 is an frugal number, since it uses more digits than its factorization.

122704635272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 122704635272 in words is "one hundred twenty-two billion, seven hundred four million, six hundred thirty-five thousand, two hundred seventy-two".