120338789 has 2 divisors, whose sum is σ = 120338790. Its totient is φ = 120338788.

The previous prime is 120338749. The next prime is 120338791. The reversal of 120338789 is 987833021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 5098564 = 10735^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 120338789 - 2¹⁶ = 120273253 is a prime.

Together with 120338791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120338749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60169394 + 60169395.

It is an arithmetic number, because the mean of its divisors is an integer number (60169395).

Almost surely, 2^120338789 is an apocalyptic number.

It is an amenable number.

120338789 is a deficient number, since it is larger than the sum of its proper divisors (1).

120338789 is an equidigital number, since it uses as much as digits as its factorization.

120338789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 120338789 is about 10969.9037826227. The cubic root of 120338789 is about 493.7061595642.

The spelling of 120338789 in words is "one hundred twenty million, three hundred thirty-eight thousand, seven hundred eighty-nine".