1128039 has 8 divisors (see below), whose sum is σ = 1640832. Its totient is φ = 683640.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128039 is 9308211.

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

It is not a de Polignac number, because 1128039 - 2¹ = 1128037 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128031) 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 7 ways as a sum of consecutive naturals, for example, 17059 + ... + 17124.

It is an arithmetic number, because the mean of its divisors is an integer number (205104).

2^1128039 is an apocalyptic number.

1128039 is a deficient number, since it is larger than the sum of its proper divisors (512793).

1128039 is a wasteful number, since it uses less digits than its factorization.

1128039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1128039 is about 1062.0918039416. The cubic root of 1128039 is about 104.0977569484.

The spelling of 1128039 in words is "one million, one hundred twenty-eight thousand, thirty-nine".