1339049 has 4 divisors (see below), whose sum is σ = 1341780. Its totient is φ = 1336320.

The previous prime is 1339031. The next prime is 1339057. The reversal of 1339049 is 9409331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 144400 = 1093^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339049 - 2⁸ = 1338793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339069) 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, 404 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (335445).

2^1339049 is an apocalyptic number.

It is an amenable number.

1339049 is a deficient number, since it is larger than the sum of its proper divisors (2731).

1339049 is an equidigital number, since it uses as much as digits as its factorization.

1339049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1339049 is about 1157.1728479359. The cubic root of 1339049 is about 110.2212900633.

The spelling of 1339049 in words is "one million, three hundred thirty-nine thousand, forty-nine".