1024239 has 8 divisors (see below), whose sum is σ = 1372672. Its totient is φ = 679320.

The previous prime is 1024207. The next prime is 1024249. The reversal of 1024239 is 9324201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1024239 - 2⁵ = 1024207 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024249) 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 7 ways as a sum of consecutive naturals, for example, 97 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (171584).

2^1024239 is an apocalyptic number.

1024239 is a deficient number, since it is larger than the sum of its proper divisors (348433).

1024239 is a wasteful number, since it uses less digits than its factorization.

1024239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1024239 is about 1012.0469356705. The cubic root of 1024239 is about 100.8015250777.

The spelling of 1024239 in words is "one million, twenty-four thousand, two hundred thirty-nine".