122081489 has 2 divisors, whose sum is σ = 122081490. Its totient is φ = 122081488.

The previous prime is 122081459. The next prime is 122081501. The reversal of 122081489 is 984180221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112190464 + 9891025 = 10592^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 122081489 - 2²⁰ = 121032913 is a prime.

It is a super-3 number, since 3×122081489³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (122081459) 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 as a sum of consecutive naturals, namely, 61040744 + 61040745.

It is an arithmetic number, because the mean of its divisors is an integer number (61040745).

Almost surely, 2^122081489 is an apocalyptic number.

It is an amenable number.

122081489 is a deficient number, since it is larger than the sum of its proper divisors (1).

122081489 is an equidigital number, since it uses as much as digits as its factorization.

122081489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 122081489 is about 11049.0492351152. The cubic root of 122081489 is about 496.0779677663.

The spelling of 122081489 in words is "one hundred twenty-two million, eighty-one thousand, four hundred eighty-nine".