1089500971 has 8 divisors (see below), whose sum is σ = 1213768080. Its totient is φ = 971013792.

The previous prime is 1089500969. The next prime is 1089500987. The reversal of 1089500971 is 1790059801.

It is a happy number.

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 1089500971 - 2¹ = 1089500969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089500371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444585 + ... + 1445338.

It is an arithmetic number, because the mean of its divisors is an integer number (151721010).

Almost surely, 2^1089500971 is an apocalyptic number.

1089500971 is a deficient number, since it is larger than the sum of its proper divisors (124267109).

1089500971 is a wasteful number, since it uses less digits than its factorization.

1089500971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889965.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 1089500971 is about 33007.5895969397. The cubic root of 1089500971 is about 1028.9853869595.

The spelling of 1089500971 in words is "one billion, eighty-nine million, five hundred thousand, nine hundred seventy-one".