121300303 has 6 divisors (see below), whose sum is σ = 125340432. Its totient is φ = 117386460.

The previous prime is 121300297. The next prime is 121300327. The reversal of 121300303 is 303003121.

It is not a de Polignac number, because 121300303 - 2⁵ = 121300271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62151 + ... + 64072.

It is an arithmetic number, because the mean of its divisors is an integer number (20890072).

Almost surely, 2^121300303 is an apocalyptic number.

121300303 is a deficient number, since it is larger than the sum of its proper divisors (4040129).

121300303 is an equidigital number, since it uses as much as digits as its factorization.

121300303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126285 (or 126254 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 121300303 is about 11013.6416774834. The cubic root of 121300303 is about 495.0175866962.

Adding to 121300303 its reverse (303003121), we get a palindrome (424303424).

The spelling of 121300303 in words is "one hundred twenty-one million, three hundred thousand, three hundred three".