122120120173 has 2 divisors, whose sum is σ = 122120120174. Its totient is φ = 122120120172.

The previous prime is 122120120141. The next prime is 122120120249. The reversal of 122120120173 is 371021021221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121049718084 + 1070402089 = 347922^2 + 32717^2 .

It is a cyclic number.

It is not a de Polignac number, because 122120120173 - 2⁵ = 122120120141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120123173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060060086 + 61060060087.

It is an arithmetic number, because the mean of its divisors is an integer number (61060060087).

Almost surely, 2^122120120173 is an apocalyptic number.

It is an amenable number.

122120120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120120173 is an equidigital number, since it uses as much as digits as its factorization.

122120120173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 122120120173 its reverse (371021021221), we get a palindrome (493141141394).

The spelling of 122120120173 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, one hundred seventy-three".