1089871039 has 8 divisors (see below), whose sum is σ = 1097917280. Its totient is φ = 1081836000.

The previous prime is 1089871019. The next prime is 1089871051. The reversal of 1089871039 is 9301789801.

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

It is a cyclic number.

It is not a de Polignac number, because 1089871039 - 2⁵ = 1089871007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089871039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089871019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341029 + ... + 344209.

It is an arithmetic number, because the mean of its divisors is an integer number (137239660).

Almost surely, 2^1089871039 is an apocalyptic number.

1089871039 is a deficient number, since it is larger than the sum of its proper divisors (8046241).

1089871039 is a wasteful number, since it uses less digits than its factorization.

1089871039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 1089871039 is about 33013.1949226366. The cubic root of 1089871039 is about 1029.1018780467.

The spelling of 1089871039 in words is "one billion, eighty-nine million, eight hundred seventy-one thousand, thirty-nine".