1283133 has 4 divisors (see below), whose sum is σ = 1710848. Its totient is φ = 855420.

The previous prime is 1283129. The next prime is 1283137. The reversal of 1283133 is 3313821.

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.

It is an interprime number because it is at equal distance from previous prime (1283129) and next prime (1283137).

It is not a de Polignac number, because 1283133 - 2² = 1283129 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283137) 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, 213853 + ... + 213858.

It is an arithmetic number, because the mean of its divisors is an integer number (427712).

2^1283133 is an apocalyptic number.

It is an amenable number.

1283133 is a deficient number, since it is larger than the sum of its proper divisors (427715).

1283133 is an equidigital number, since it uses as much as digits as its factorization.

1283133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427714.

The product of its digits is 432, while the sum is 21.

The square root of 1283133 is about 1132.7546071414. The cubic root of 1283133 is about 108.6652186357.

Adding to 1283133 its reverse (3313821), we get a palindrome (4596954).

The spelling of 1283133 in words is "one million, two hundred eighty-three thousand, one hundred thirty-three".