1284066 has 64 divisors (see below), whose sum is σ = 3379200. Its totient is φ = 353808.

The previous prime is 1284053. The next prime is 1284083. The reversal of 1284066 is 6604821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16215 + ... + 16293.

It is an arithmetic number, because the mean of its divisors is an integer number (52800).

2^1284066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1284066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689600).

1284066 is an abundant number, since it is smaller than the sum of its proper divisors (2095134).

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

1284066 is a wasteful number, since it uses less digits than its factorization.

1284066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1284066 is about 1133.1663602490. The cubic root of 1284066 is about 108.6915500411.

Adding to 1284066 its reverse (6604821), we get a palindrome (7888887).

The spelling of 1284066 in words is "one million, two hundred eighty-four thousand, sixty-six".