971089 has 4 divisors (see below), whose sum is σ = 1109824. Its totient is φ = 832356.

The previous prime is 971077. The next prime is 971093. The reversal of 971089 is 980179.

971089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 971089 - 2⁷ = 970961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69357 + ... + 69370.

It is an arithmetic number, because the mean of its divisors is an integer number (277456).

2⁹⁷¹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

971089 is a deficient number, since it is larger than the sum of its proper divisors (138735).

971089 is a wasteful number, since it uses less digits than its factorization.

971089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138734.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 971089 is about 985.4384810834. The cubic root of 971089 is about 99.0268607181.

The spelling of 971089 in words is "nine hundred seventy-one thousand, eighty-nine".