120403303 has 2 divisors, whose sum is σ = 120403304. Its totient is φ = 120403302.

The previous prime is 120403271. The next prime is 120403307. The reversal of 120403303 is 303304021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120403303 - 2⁵ = 120403271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120403307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60201651 + 60201652.

It is an arithmetic number, because the mean of its divisors is an integer number (60201652).

Almost surely, 2^120403303 is an apocalyptic number.

120403303 is a deficient number, since it is larger than the sum of its proper divisors (1).

120403303 is an equidigital number, since it uses as much as digits as its factorization.

120403303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 120403303 is about 10972.8438884366. The cubic root of 120403303 is about 493.7943696067.

Adding to 120403303 its reverse (303304021), we get a palindrome (423707324).

The spelling of 120403303 in words is "one hundred twenty million, four hundred three thousand, three hundred three".