1284001 has 4 divisors (see below), whose sum is σ = 1351600. Its totient is φ = 1216404.

The previous prime is 1283983. The next prime is 1284007. The reversal of 1284001 is 1004821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1004821 = 29 ⋅34649.

It is a cyclic number.

It is not a de Polignac number, because 1284001 - 2⁵ = 1283969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1284007) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 33771 + ... + 33808.

It is an arithmetic number, because the mean of its divisors is an integer number (337900).

2^1284001 is an apocalyptic number.

It is an amenable number.

1284001 is a deficient number, since it is larger than the sum of its proper divisors (67599).

1284001 is an equidigital number, since it uses as much as digits as its factorization.

1284001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67598.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1284001 is about 1133.1376791900. The cubic root of 1284001 is about 108.6897160051.

Adding to 1284001 its reverse (1004821), we get a palindrome (2288822).

The spelling of 1284001 in words is "one million, two hundred eighty-four thousand, one".