1236133 has 4 divisors (see below), whose sum is σ = 1269580. Its totient is φ = 1202688.

The previous prime is 1236077. The next prime is 1236161. The reversal of 1236133 is 3316321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 567009 = 818^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1236133 - 2¹⁷ = 1105061 is a prime.

It is a Duffinian number.

1236133 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1236133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236163) 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, 16668 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (317395).

2^1236133 is an apocalyptic number.

It is an amenable number.

1236133 is a deficient number, since it is larger than the sum of its proper divisors (33447).

1236133 is an equidigital number, since it uses as much as digits as its factorization.

1236133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33446.

The product of its digits is 324, while the sum is 19.

The square root of 1236133 is about 1111.8151824831. The cubic root of 1236133 is about 107.3219117338.

It can be divided in two parts, 1236 and 133, that added together give a square (1369 = 37²).

The spelling of 1236133 in words is "one million, two hundred thirty-six thousand, one hundred thirty-three".