120199589 has 2 divisors, whose sum is σ = 120199590. Its totient is φ = 120199588.

The previous prime is 120199561. The next prime is 120199603. The reversal of 120199589 is 985991021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61936900 + 58262689 = 7870^2 + 7633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120199589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120199549) 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, 60099794 + 60099795.

It is an arithmetic number, because the mean of its divisors is an integer number (60099795).

Almost surely, 2^120199589 is an apocalyptic number.

It is an amenable number.

120199589 is a deficient number, since it is larger than the sum of its proper divisors (1).

120199589 is an equidigital number, since it uses as much as digits as its factorization.

120199589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 120199589 is about 10963.5573150324. The cubic root of 120199589 is about 493.5157238412.

The spelling of 120199589 in words is "one hundred twenty million, one hundred ninety-nine thousand, five hundred eighty-nine".