1204887 has 4 divisors (see below), whose sum is σ = 1606520. Its totient is φ = 803256.

The previous prime is 1204883. The next prime is 1204891. The reversal of 1204887 is 7884021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1204883) and next prime (1204891).

It is not a de Polignac number, because 1204887 - 2² = 1204883 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204883) 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, 200812 + ... + 200817.

It is an arithmetic number, because the mean of its divisors is an integer number (401630).

2^1204887 is an apocalyptic number.

1204887 is a deficient number, since it is larger than the sum of its proper divisors (401633).

1204887 is an equidigital number, since it uses as much as digits as its factorization.

1204887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401632.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1204887 is about 1097.6734487087. The cubic root of 1204887 is about 106.4099174335.

The spelling of 1204887 in words is "one million, two hundred four thousand, eight hundred eighty-seven".