120208289 has 2 divisors, whose sum is σ = 120208290. Its totient is φ = 120208288.

The previous prime is 120208279. The next prime is 120208303. The reversal of 120208289 is 982802021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72114064 + 48094225 = 8492^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 120208289 - 2²⁰ = 119159713 is a prime.

It is not a weakly prime, because it can be changed into another prime (120208229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60104144 + 60104145.

It is an arithmetic number, because the mean of its divisors is an integer number (60104145).

Almost surely, 2^120208289 is an apocalyptic number.

It is an amenable number.

120208289 is a deficient number, since it is larger than the sum of its proper divisors (1).

120208289 is an equidigital number, since it uses as much as digits as its factorization.

120208289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 120208289 is about 10963.9540768830. The cubic root of 120208289 is about 493.5276303800.

The spelling of 120208289 in words is "one hundred twenty million, two hundred eight thousand, two hundred eighty-nine".