120303 has 6 divisors (see below), whose sum is σ = 173784. Its totient is φ = 80196.

The previous prime is 120299. The next prime is 120319. The reversal of 120303 is 303021.

It is a happy number.

It is not a de Polignac number, because 120303 - 2² = 120299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13367 = 120303 / (1 + 2 + 0 + 3 + 0 + 3).

120303 is a modest number, since divided by 303 gives 12 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120383) 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 in 5 ways as a sum of consecutive naturals, for example, 6675 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (28964).

2¹²⁰³⁰³ is an apocalyptic number.

120303 is a deficient number, since it is larger than the sum of its proper divisors (53481).

120303 is a wasteful number, since it uses less digits than its factorization.

120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373 (or 13370 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 120303 is about 346.8472286180. The cubic root of 120303 is about 49.3657211640.

Adding to 120303 its reverse (303021), we get a palindrome (423324).

The spelling of 120303 in words is "one hundred twenty thousand, three hundred three", and thus it is an iban number.