1287204 has 24 divisors (see below), whose sum is σ = 3050208. Its totient is φ = 422400.

The previous prime is 1287199. The next prime is 1287217. The reversal of 1287204 is 4027821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (127092).

2^1287204 is an apocalyptic number.

It is an amenable number.

1287204 is an abundant number, since it is smaller than the sum of its proper divisors (1763004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1287204 is a wasteful number, since it uses less digits than its factorization.

1287204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1287204 is about 1134.5501311092. The cubic root of 1287204 is about 108.7800181369.

The spelling of 1287204 in words is "one million, two hundred eighty-seven thousand, two hundred four".