1203604 has 12 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 598808.

The previous prime is 1203581. The next prime is 1203607. The reversal of 1203604 is 4063021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203607) 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, 327 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1203604 is an apocalyptic number.

It is an amenable number.

1203604 is a deficient number, since it is larger than the sum of its proper divisors (913196).

1203604 is a wasteful number, since it uses less digits than its factorization.

1203604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1203604 is about 1097.0888751601. The cubic root of 1203604 is about 106.3721345236.

Adding to 1203604 its reverse (4063021), we get a palindrome (5266625).

The spelling of 1203604 in words is "one million, two hundred three thousand, six hundred four".