122525511198 has 8 divisors (see below), whose sum is σ = 245051022408. Its totient is φ = 40841837064.

The previous prime is 122525511149. The next prime is 122525511259. The reversal of 122525511198 is 891115525221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

122525511198 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10210459261 + ... + 10210459272.

It is an arithmetic number, because the mean of its divisors is an integer number (30631377801).

Almost surely, 2^122525511198 is an apocalyptic number.

122525511198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122525511198 is a wasteful number, since it uses less digits than its factorization.

122525511198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420918538.

The product of its digits is 72000, while the sum is 42.

The spelling of 122525511198 in words is "one hundred twenty-two billion, five hundred twenty-five million, five hundred eleven thousand, one hundred ninety-eight".