122000198 has 16 divisors (see below), whose sum is σ = 185749200. Its totient is φ = 60089856.

The previous prime is 122000191. The next prime is 122000237. The reversal of 122000198 is 891000221.

It is a super-3 number, since 3×122000198³ (a number of 25 digits) contains 333 as substring.

122000198 is a modest number, since divided by 198 gives 122 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43853 + ... + 46551.

It is an arithmetic number, because the mean of its divisors is an integer number (11609325).

Almost surely, 2^122000198 is an apocalyptic number.

122000198 is a deficient number, since it is larger than the sum of its proper divisors (63749002).

122000198 is a wasteful number, since it uses less digits than its factorization.

122000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 122000198 is about 11045.3699802225. The cubic root of 122000198 is about 495.9678346944.

Adding to 122000198 its sum of digits (23), we get a palindrome (122000221).

The spelling of 122000198 in words is "one hundred twenty-two million, one hundred ninety-eight", and thus it is an aban number.