889121 has 4 divisors (see below), whose sum is σ = 891072. Its totient is φ = 887172.

The previous prime is 889087. The next prime is 889123. The reversal of 889121 is 121988.

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 a cyclic number.

It is not a de Polignac number, because 889121 - 2¹⁴ = 872737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (889123) 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, 116 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

2⁸⁸⁹¹²¹ is an apocalyptic number.

It is an amenable number.

889121 is a deficient number, since it is larger than the sum of its proper divisors (1951).

889121 is a wasteful number, since it uses less digits than its factorization.

889121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950.

The product of its digits is 1152, while the sum is 29.

The square root of 889121 is about 942.9321290528. The cubic root of 889121 is about 96.1583396792.

The spelling of 889121 in words is "eight hundred eighty-nine thousand, one hundred twenty-one".