122572798 has 4 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 61286398.

The previous prime is 122572711. The next prime is 122572811. The reversal of 122572798 is 897275221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 897275221 = 14923 ⋅60127.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 30643198 + ... + 30643201.

It is an arithmetic number, because the mean of its divisors is an integer number (45964800).

Almost surely, 2^122572798 is an apocalyptic number.

122572798 is a deficient number, since it is larger than the sum of its proper divisors (61286402).

122572798 is an equidigital number, since it uses as much as digits as its factorization.

122572798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61286401.

The product of its digits is 141120, while the sum is 43.

The square root of 122572798 is about 11071.2600005600. The cubic root of 122572798 is about 496.7425548550.

The spelling of 122572798 in words is "one hundred twenty-two million, five hundred seventy-two thousand, seven hundred ninety-eight".