1341239 has 4 divisors (see below), whose sum is σ = 1369824. Its totient is φ = 1312656.

The previous prime is 1341217. The next prime is 1341257. The reversal of 1341239 is 9321431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9321431 = 7 ⋅1331633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14222 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (342456).

2^1341239 is an apocalyptic number.

1341239 is a deficient number, since it is larger than the sum of its proper divisors (28585).

1341239 is an equidigital number, since it uses as much as digits as its factorization.

1341239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584.

The product of its digits is 648, while the sum is 23.

The square root of 1341239 is about 1158.1187331185. The cubic root of 1341239 is about 110.2813459066.

The spelling of 1341239 in words is "one million, three hundred forty-one thousand, two hundred thirty-nine".