1342243 has 4 divisors (see below), whose sum is σ = 1534000. Its totient is φ = 1150488.

The previous prime is 1342241. The next prime is 1342247. The reversal of 1342243 is 3422431.

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 1342243 - 2¹ = 1342241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342243.

It is not an unprimeable number, because it can be changed into a prime (1342241) 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, 95868 + ... + 95881.

It is an arithmetic number, because the mean of its divisors is an integer number (383500).

2^1342243 is an apocalyptic number.

1342243 is a deficient number, since it is larger than the sum of its proper divisors (191757).

1342243 is an equidigital number, since it uses as much as digits as its factorization.

1342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191756.

The product of its digits is 576, while the sum is 19.

The square root of 1342243 is about 1158.5521136315. The cubic root of 1342243 is about 110.3088565032.

Adding to 1342243 its reverse (3422431), we get a palindrome (4764674).

The spelling of 1342243 in words is "one million, three hundred forty-two thousand, two hundred forty-three".