1093128959 has 12 divisors (see below), whose sum is σ = 1189131048. Its totient is φ = 998930400.

The previous prime is 1093128901. The next prime is 1093128989. The reversal of 1093128959 is 9598213901.

It is not a de Polignac number, because 1093128959 - 2¹⁶ = 1093063423 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 (1093128989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128492 + ... + 136734.

It is an arithmetic number, because the mean of its divisors is an integer number (99094254).

Almost surely, 2^1093128959 is an apocalyptic number.

1093128959 is a deficient number, since it is larger than the sum of its proper divisors (96002089).

1093128959 is an equidigital number, since it uses as much as digits as its factorization.

1093128959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458 (or 8357 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 1093128959 is about 33062.5007977316. The cubic root of 1093128959 is about 1030.1262794870.

The spelling of 1093128959 in words is "one billion, ninety-three million, one hundred twenty-eight thousand, nine hundred fifty-nine".