1245304 has 8 divisors (see below), whose sum is σ = 2334960. Its totient is φ = 622648.

The previous prime is 1245281. The next prime is 1245331. The reversal of 1245304 is 4035421.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 77824 + ... + 77839.

It is an arithmetic number, because the mean of its divisors is an integer number (291870).

2^1245304 is an apocalyptic number.

It is an amenable number.

1245304 is a deficient number, since it is larger than the sum of its proper divisors (1089656).

1245304 is a wasteful number, since it uses less digits than its factorization.

1245304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155669 (or 155665 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1245304 is about 1115.9318975636. The cubic root of 1245304 is about 107.5866688846.

The spelling of 1245304 in words is "one million, two hundred forty-five thousand, three hundred four".