1343109 has 4 divisors (see below), whose sum is σ = 1790816. Its totient is φ = 895404.

The previous prime is 1343081. The next prime is 1343113. The reversal of 1343109 is 9013431.

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 not a de Polignac number, because 1343109 - 2¹⁹ = 818821 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343009) 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, 223849 + ... + 223854.

It is an arithmetic number, because the mean of its divisors is an integer number (447704).

2^1343109 is an apocalyptic number.

It is an amenable number.

1343109 is a deficient number, since it is larger than the sum of its proper divisors (447707).

1343109 is an equidigital number, since it uses as much as digits as its factorization.

1343109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447706.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1343109 is about 1158.9257957264. The cubic root of 1343109 is about 110.3325747451.

The spelling of 1343109 in words is "one million, three hundred forty-three thousand, one hundred nine".