122120206 has 16 divisors (see below), whose sum is σ = 200617200. Its totient is φ = 55407168.

The previous prime is 122120183. The next prime is 122120209. The reversal of 122120206 is 602021221.

It is a self number, because there is not a number n which added to its sum of digits gives 122120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120209) 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, 38271 + ... + 41338.

It is an arithmetic number, because the mean of its divisors is an integer number (12538575).

Almost surely, 2^122120206 is an apocalyptic number.

122120206 is a deficient number, since it is larger than the sum of its proper divisors (78496994).

122120206 is a wasteful number, since it uses less digits than its factorization.

122120206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79683.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122120206 is about 11050.8011474282. The cubic root of 122120206 is about 496.1304043828.

Adding to 122120206 its reverse (602021221), we get a palindrome (724141427).

The spelling of 122120206 in words is "one hundred twenty-two million, one hundred twenty thousand, two hundred six".