120589489 has 2 divisors, whose sum is σ = 120589490. Its totient is φ = 120589488.

The previous prime is 120589439. The next prime is 120589499. The reversal of 120589489 is 984985021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103225600 + 17363889 = 10160^2 + 4167^2 .

It is a cyclic number.

It is not a de Polignac number, because 120589489 - 2⁷ = 120589361 is a prime.

It is a super-2 number, since 2×120589489² = 29083649714562242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120589429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60294744 + 60294745.

It is an arithmetic number, because the mean of its divisors is an integer number (60294745).

Almost surely, 2^120589489 is an apocalyptic number.

It is an amenable number.

120589489 is a deficient number, since it is larger than the sum of its proper divisors (1).

120589489 is an equidigital number, since it uses as much as digits as its factorization.

120589489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 120589489 is about 10981.3245558084. The cubic root of 120589489 is about 494.0487653128.

The spelling of 120589489 in words is "one hundred twenty million, five hundred eighty-nine thousand, four hundred eighty-nine".