989125 has 16 divisors (see below), whose sum is σ = 1271088. Its totient is φ = 768000.

The previous prime is 989123. The next prime is 989171. The reversal of 989125 is 521989.

It can be written as a sum of positive squares in 8 ways, for example, as 720801 + 268324 = 849^2 + 518^2 .

It is not a de Polignac number, because 989125 - 2¹ = 989123 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 (989123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5029 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (79443).

2⁹⁸⁹¹²⁵ is an apocalyptic number.

It is an amenable number.

989125 is a deficient number, since it is larger than the sum of its proper divisors (281963).

989125 is a wasteful number, since it uses less digits than its factorization.

989125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 989125 is about 994.5476358627. The cubic root of 989125 is about 99.6361779404.

The spelling of 989125 in words is "nine hundred eighty-nine thousand, one hundred twenty-five".