1204487 has 4 divisors (see below), whose sum is σ = 1256880. Its totient is φ = 1152096.

The previous prime is 1204477. The next prime is 1204493. The reversal of 1204487 is 7844021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7844021 = 17 ⋅461413.

It is a cyclic number.

It is not a de Polignac number, because 1204487 - 2⁴ = 1204471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204447) 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, 26162 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (314220).

2^1204487 is an apocalyptic number.

1204487 is a deficient number, since it is larger than the sum of its proper divisors (52393).

1204487 is an equidigital number, since it uses as much as digits as its factorization.

1204487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52392.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1204487 is about 1097.4912300333. The cubic root of 1204487 is about 106.3981407612.

The spelling of 1204487 in words is "one million, two hundred four thousand, four hundred eighty-seven".