120320353 has 2 divisors, whose sum is σ = 120320354. Its totient is φ = 120320352.

The previous prime is 120320309. The next prime is 120320357. The reversal of 120320353 is 353023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 5230369 = 10728^2 + 2287^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320353 - 2²¹ = 118223201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120320353.

It is not a weakly prime, because it can be changed into another prime (120320357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160176 + 60160177.

It is an arithmetic number, because the mean of its divisors is an integer number (60160177).

Almost surely, 2^120320353 is an apocalyptic number.

It is an amenable number.

120320353 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320353 is an equidigital number, since it uses as much as digits as its factorization.

120320353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 120320353 is about 10969.0634513617. The cubic root of 120320353 is about 493.6809462153.

Adding to 120320353 its reverse (353023021), we get a palindrome (473343374).

The spelling of 120320353 in words is "one hundred twenty million, three hundred twenty thousand, three hundred fifty-three".