1245604 has 12 divisors (see below), whose sum is σ = 2196684. Its totient is φ = 617984.

The previous prime is 1245589. The next prime is 1245613. The reversal of 1245604 is 4065421.

It can be written as a sum of positive squares in 2 ways, for example, as 940900 + 304704 = 970^2 + 552^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (183057).

2^1245604 is an apocalyptic number.

It is an amenable number.

1245604 is a deficient number, since it is larger than the sum of its proper divisors (951080).

1245604 is a wasteful number, since it uses less digits than its factorization.

1245604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1245604 is about 1116.0663062740. The cubic root of 1245604 is about 107.5953075809.

It can be divided in two parts, 1245 and 604, that added together give a square (1849 = 43²).

The spelling of 1245604 in words is "one million, two hundred forty-five thousand, six hundred four".