881121 has 8 divisors (see below), whose sum is σ = 1183840. Its totient is φ = 582912.

The previous prime is 881119. The next prime is 881141. The reversal of 881121 is 121188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 881121 - 2¹ = 881119 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881121.

It is not an unprimeable number, because it can be changed into a prime (881141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (147980).

2⁸⁸¹¹²¹ is an apocalyptic number.

It is an amenable number.

881121 is a deficient number, since it is larger than the sum of its proper divisors (302719).

881121 is a wasteful number, since it uses less digits than its factorization.

881121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255.

The product of its digits is 128, while the sum is 21.

The square root of 881121 is about 938.6804568116. The cubic root of 881121 is about 95.8690706455.

It can be divided in two parts, 881 and 121, that multiplied together give a palindrome (106601).

The spelling of 881121 in words is "eight hundred eighty-one thousand, one hundred twenty-one".