1342009 has 4 divisors (see below), whose sum is σ = 1352704. Its totient is φ = 1331316.

The previous prime is 1342007. The next prime is 1342049. The reversal of 1342009 is 9002431.

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 a cyclic number.

It is not a de Polignac number, because 1342009 - 2¹ = 1342007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342001) 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, 5157 + ... + 5410.

It is an arithmetic number, because the mean of its divisors is an integer number (338176).

2^1342009 is an apocalyptic number.

It is an amenable number.

1342009 is a deficient number, since it is larger than the sum of its proper divisors (10695).

1342009 is a wasteful number, since it uses less digits than its factorization.

1342009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1342009 is about 1158.4511211096. The cubic root of 1342009 is about 110.3024458973.

The spelling of 1342009 in words is "one million, three hundred forty-two thousand, nine".