1284562 has 4 divisors (see below), whose sum is σ = 1926846. Its totient is φ = 642280.

The previous prime is 1284559. The next prime is 1284583. The reversal of 1284562 is 2654821.

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

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 72361 = 1101^2 + 269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1284562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321139 + ... + 321142.

2^1284562 is an apocalyptic number.

1284562 is a deficient number, since it is larger than the sum of its proper divisors (642284).

1284562 is an equidigital number, since it uses as much as digits as its factorization.

1284562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642283.

The product of its digits is 3840, while the sum is 28.

The square root of 1284562 is about 1133.3851948918. The cubic root of 1284562 is about 108.7055431092.

The spelling of 1284562 in words is "one million, two hundred eighty-four thousand, five hundred sixty-two".