1249804 has 6 divisors (see below), whose sum is σ = 2187164. Its totient is φ = 624900.

The previous prime is 1249799. The next prime is 1249811. The reversal of 1249804 is 4089421.

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, 156222 + ... + 156229.

2^1249804 is an apocalyptic number.

It is an amenable number.

1249804 is a deficient number, since it is larger than the sum of its proper divisors (937360).

1249804 is a wasteful number, since it uses less digits than its factorization.

1249804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312455 (or 312453 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1249804 is about 1117.9463314489. The cubic root of 1249804 is about 107.7161039513.

The spelling of 1249804 in words is "one million, two hundred forty-nine thousand, eight hundred four".