887121 has 12 divisors (see below), whose sum is σ = 1289860. Its totient is φ = 587520.

The previous prime is 887113. The next prime is 887141. The reversal of 887121 is 121788.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 140625 = 864^2 + 375^2 .

It is not a de Polignac number, because 887121 - 2³ = 887113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1965 + ... + 2373.

2⁸⁸⁷¹²¹ is an apocalyptic number.

It is an amenable number.

887121 is a deficient number, since it is larger than the sum of its proper divisors (402739).

887121 is a wasteful number, since it uses less digits than its factorization.

887121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 653 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 887121 is about 941.8710102769. The cubic root of 887121 is about 96.0861856231.

The spelling of 887121 in words is "eight hundred eighty-seven thousand, one hundred twenty-one".