1342003 has 4 divisors (see below), whose sum is σ = 1445248. Its totient is φ = 1238760.

The previous prime is 1342001. The next prime is 1342007. The reversal of 1342003 is 3002431.

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 1342003 - 2¹ = 1342001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 103231 = 1342003 / (1 + 3 + 4 + 2 + 0 + 0 + 3).

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, 51603 + ... + 51628.

It is an arithmetic number, because the mean of its divisors is an integer number (361312).

2^1342003 is an apocalyptic number.

1342003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1342003 is a deficient number, since it is larger than the sum of its proper divisors (103245).

1342003 is a wasteful number, since it uses less digits than its factorization.

1342003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103244.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1342003 is about 1158.4485314419. The cubic root of 1342003 is about 110.3022815130.

Adding to 1342003 its reverse (3002431), we get a palindrome (4344434).

The spelling of 1342003 in words is "one million, three hundred forty-two thousand, three".