1134431 has 4 divisors (see below), whose sum is σ = 1141392. Its totient is φ = 1127472.

The previous prime is 1134421. The next prime is 1134437. The reversal of 1134431 is 1344311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134431 is a prime.

It is a super-2 number, since 2×1134431² = 2573867387522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (285348).

2^1134431 is an apocalyptic number.

1134431 is a deficient number, since it is larger than the sum of its proper divisors (6961).

1134431 is an equidigital number, since it uses as much as digits as its factorization.

1134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960.

The product of its digits is 144, while the sum is 17.

The square root of 1134431 is about 1065.0967092241. The cubic root of 1134431 is about 104.2940090267.

Adding to 1134431 its reverse (1344311), we get a palindrome (2478742).

The spelling of 1134431 in words is "one million, one hundred thirty-four thousand, four hundred thirty-one".