122452117442 has 6 divisors (see below), whose sum is σ = 183678918483. Its totient is φ = 61225811282.

The previous prime is 122452117409. The next prime is 122452117471. The reversal of 122452117442 is 244711254221.

It can be written as a sum of positive squares in only one way, i.e., 61226058721 + 61226058721 = 247439^2 + 247439^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247439.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 371159 + ... + 618597.

Almost surely, 2^122452117442 is an apocalyptic number.

122452117442 is a deficient number, since it is larger than the sum of its proper divisors (61226801041).

122452117442 is an frugal number, since it uses more digits than its factorization.

122452117442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494880 (or 247441 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The spelling of 122452117442 in words is "one hundred twenty-two billion, four hundred fifty-two million, one hundred seventeen thousand, four hundred forty-two".