120404603 has 8 divisors (see below), whose sum is σ = 131439936. Its totient is φ = 109384200.

The previous prime is 120404587. The next prime is 120404617. The reversal of 120404603 is 306404021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120404603 - 2⁴ = 120404587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120404303) 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 7 ways as a sum of consecutive naturals, for example, 19400 + ... + 24842.

It is an arithmetic number, because the mean of its divisors is an integer number (16429992).

Almost surely, 2^120404603 is an apocalyptic number.

120404603 is a deficient number, since it is larger than the sum of its proper divisors (11035333).

120404603 is a wasteful number, since it uses less digits than its factorization.

120404603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7465.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 120404603 is about 10972.9031254267. The cubic root of 120404603 is about 493.7961467738.

Adding to 120404603 its reverse (306404021), we get a palindrome (426808624).

The spelling of 120404603 in words is "one hundred twenty million, four hundred four thousand, six hundred three".