122120122 has 4 divisors (see below), whose sum is σ = 183180186. Its totient is φ = 61060060.

The previous prime is 122120113. The next prime is 122120123. The reversal of 122120122 is 221021221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118352641 + 3767481 = 10879^2 + 1941^2 .

It is not an unprimeable number, because it can be changed into a prime (122120123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530029 + ... + 30530032.

Almost surely, 2^122120122 is an apocalyptic number.

122120122 is a deficient number, since it is larger than the sum of its proper divisors (61060064).

122120122 is an equidigital number, since it uses as much as digits as its factorization.

122120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61060063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122120122 is about 11050.7973467981. The cubic root of 122120122 is about 496.1302906288.

Adding to 122120122 its reverse (221021221), we get a palindrome (343141343).

The spelling of 122120122 in words is "one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".