120304003 has 4 divisors (see below), whose sum is σ = 120968848. Its totient is φ = 119639160.

The previous prime is 120304001. The next prime is 120304021. The reversal of 120304003 is 300403021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300403021 = 211 ⋅1423711.

It is a cyclic number.

It is not a de Polignac number, because 120304003 - 2¹ = 120304001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120304001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332151 + ... + 332512.

It is an arithmetic number, because the mean of its divisors is an integer number (30242212).

Almost surely, 2^120304003 is an apocalyptic number.

120304003 is a deficient number, since it is larger than the sum of its proper divisors (664845).

120304003 is an equidigital number, since it uses as much as digits as its factorization.

120304003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664844.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 120304003 is about 10968.3181481939. The cubic root of 120304003 is about 493.6585835562.

Adding to 120304003 its reverse (300403021), we get a palindrome (420707024).

The spelling of 120304003 in words is "one hundred twenty million, three hundred four thousand, three".