1284133 has 4 divisors (see below), whose sum is σ = 1288000. Its totient is φ = 1280268.

The previous prime is 1284131. The next prime is 1284169. The reversal of 1284133 is 3314821.

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: 3314821 = 431 ⋅7691.

It is a cyclic number.

It is not a de Polignac number, because 1284133 - 2¹ = 1284131 is a prime.

It is an Ulam number.

It is a Duffinian number.

1284133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284131) 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, 1383 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (322000).

2^1284133 is an apocalyptic number.

It is an amenable number.

1284133 is a deficient number, since it is larger than the sum of its proper divisors (3867).

1284133 is an equidigital number, since it uses as much as digits as its factorization.

1284133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866.

The product of its digits is 576, while the sum is 22.

The square root of 1284133 is about 1133.1959230424. The cubic root of 1284133 is about 108.6934404443.

Adding to 1284133 its reverse (3314821), we get a palindrome (4598954).

The spelling of 1284133 in words is "one million, two hundred eighty-four thousand, one hundred thirty-three".