1339043 has 4 divisors (see below), whose sum is σ = 1341408. Its totient is φ = 1336680.

The previous prime is 1339031. The next prime is 1339057. The reversal of 1339043 is 3409331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3409331 = 53 ⋅64327.

It is a cyclic number.

It is not a de Polignac number, because 1339043 - 2⁴ = 1339027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339003) 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, 230 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (335352).

2^1339043 is an apocalyptic number.

1339043 is a deficient number, since it is larger than the sum of its proper divisors (2365).

1339043 is an equidigital number, since it uses as much as digits as its factorization.

1339043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1339043 is about 1157.1702554076. The cubic root of 1339043 is about 110.2211254368.

Adding to 1339043 its sum of digits (23), we get a triangular number (1339066 = T₁₆₃₆).

The spelling of 1339043 in words is "one million, three hundred thirty-nine thousand, forty-three".