604603121 has 4 divisors (see below), whose sum is σ = 609218544. Its totient is φ = 599987700.

The previous prime is 604603081. The next prime is 604603141. The reversal of 604603121 is 121306406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 604603121 - 2¹⁴ = 604586737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604603141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307515 + ... + 2307776.

It is an arithmetic number, because the mean of its divisors is an integer number (152304636).

Almost surely, 2^604603121 is an apocalyptic number.

It is an amenable number.

604603121 is a deficient number, since it is larger than the sum of its proper divisors (4615423).

604603121 is a wasteful number, since it uses less digits than its factorization.

604603121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615422.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 604603121 is about 24588.6787160270. The cubic root of 604603121 is about 845.5840743222.

Adding to 604603121 its reverse (121306406), we get a palindrome (725909527).

The spelling of 604603121 in words is "six hundred four million, six hundred three thousand, one hundred twenty-one".