1324139 has 4 divisors (see below), whose sum is σ = 1330056. Its totient is φ = 1318224.

The previous prime is 1324123. The next prime is 1324151. The reversal of 1324139 is 9314231.

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 1324139 - 2⁴ = 1324123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (332514).

2^1324139 is an apocalyptic number.

1324139 is a deficient number, since it is larger than the sum of its proper divisors (5917).

1324139 is an equidigital number, since it uses as much as digits as its factorization.

1324139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

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

The square root of 1324139 is about 1150.7123880449. The cubic root of 1324139 is about 109.8106660375.

The spelling of 1324139 in words is "one million, three hundred twenty-four thousand, one hundred thirty-nine".