1125789 has 8 divisors (see below), whose sum is σ = 1715520. Its totient is φ = 643296.

The previous prime is 1125767. The next prime is 1125793. The reversal of 1125789 is 9875211.

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

It is not a de Polignac number, because 1125789 - 2¹¹ = 1123741 is a prime.

It is a Smith number, since the sum of its digits (33) 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 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125739) 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, 26784 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (214440).

2^1125789 is an apocalyptic number.

It is an amenable number.

1125789 is a deficient number, since it is larger than the sum of its proper divisors (589731).

1125789 is an equidigital number, since it uses as much as digits as its factorization.

1125789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53619.

The product of its digits is 5040, while the sum is 33.

The square root of 1125789 is about 1061.0320447564. The cubic root of 1125789 is about 104.0284993395.

The spelling of 1125789 in words is "one million, one hundred twenty-five thousand, seven hundred eighty-nine".