122420792 has 32 divisors (see below), whose sum is σ = 250899600. Its totient is φ = 55655424.

The previous prime is 122420747. The next prime is 122420801. The reversal of 122420792 is 297024221.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1817 + ... + 15752.

Almost surely, 2^122420792 is an apocalyptic number.

It is an amenable number.

122420792 is an abundant number, since it is smaller than the sum of its proper divisors (128478808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122420792 is a wasteful number, since it uses less digits than its factorization.

122420792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17655 (or 17651 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 122420792 is about 11064.3929792827. The cubic root of 122420792 is about 496.5371284073.

The spelling of 122420792 in words is "one hundred twenty-two million, four hundred twenty thousand, seven hundred ninety-two".