1149343 has 4 divisors (see below), whose sum is σ = 1237768. Its totient is φ = 1060920.

The previous prime is 1149341. The next prime is 1149349. The reversal of 1149343 is 3439411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1149343 - 2¹ = 1149341 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149341) 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, 44193 + ... + 44218.

It is an arithmetic number, because the mean of its divisors is an integer number (309442).

2^1149343 is an apocalyptic number.

1149343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1149343 is a deficient number, since it is larger than the sum of its proper divisors (88425).

1149343 is an equidigital number, since it uses as much as digits as its factorization.

1149343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88424.

The product of its digits is 1296, while the sum is 25.

The square root of 1149343 is about 1072.0741578827. The cubic root of 1149343 is about 104.7489998632.

The spelling of 1149343 in words is "one million, one hundred forty-nine thousand, three hundred forty-three".