1284064 has 12 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 642016.

The previous prime is 1284053. The next prime is 1284083. The reversal of 1284064 is 4604821.

It is a congruent number.

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, 20032 + ... + 20095.

It is an arithmetic number, because the mean of its divisors is an integer number (210672).

2^1284064 is an apocalyptic number.

It is an amenable number.

1284064 is a deficient number, since it is larger than the sum of its proper divisors (1244000).

1284064 is an equidigital number, since it uses as much as digits as its factorization.

1284064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40137 (or 40129 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1284064 is about 1133.1654777657. The cubic root of 1284064 is about 108.6914936102.

Adding to 1284064 its reverse (4604821), we get a palindrome (5888885).

The spelling of 1284064 in words is "one million, two hundred eighty-four thousand, sixty-four".