120404003 has 4 divisors (see below), whose sum is σ = 123340728. Its totient is φ = 117467280.

The previous prime is 120403991. The next prime is 120404017. The reversal of 120404003 is 300404021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120404003 - 2⁶ = 120403939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120404023) 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 3 ways as a sum of consecutive naturals, for example, 1468301 + ... + 1468382.

It is an arithmetic number, because the mean of its divisors is an integer number (30835182).

Almost surely, 2^120404003 is an apocalyptic number.

120404003 is a deficient number, since it is larger than the sum of its proper divisors (2936725).

120404003 is an equidigital number, since it uses as much as digits as its factorization.

120404003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936724.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 120404003 is about 10972.8757853172. The cubic root of 120404003 is about 493.7953265444.

Adding to 120404003 its reverse (300404021), we get a palindrome (420808024).

The spelling of 120404003 in words is "one hundred twenty million, four hundred four thousand, three".