122651198 has 8 divisors (see below), whose sum is σ = 184070208. Its totient is φ = 61294464.

The previous prime is 122651183. The next prime is 122651201. The reversal of 122651198 is 891156221.

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

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, 10286 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (23008776).

Almost surely, 2^122651198 is an apocalyptic number.

122651198 is a deficient number, since it is larger than the sum of its proper divisors (61419010).

122651198 is a wasteful number, since it uses less digits than its factorization.

122651198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31138.

The product of its digits is 8640, while the sum is 35.

The square root of 122651198 is about 11074.8001336367. The cubic root of 122651198 is about 496.8484410893.

The spelling of 122651198 in words is "one hundred twenty-two million, six hundred fifty-one thousand, one hundred ninety-eight".