888161121 has 12 divisors (see below), whose sum is σ = 1307105748. Its totient is φ = 580935264.

The previous prime is 888161119. The next prime is 888161167. The reversal of 888161121 is 121161888.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 712890000 + 175271121 = 26700^2 + 13239^2 .

It is not a de Polignac number, because 888161121 - 2¹ = 888161119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (888161921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930510 + ... + 931463.

It is an arithmetic number, because the mean of its divisors is an integer number (108925479).

Almost surely, 2^888161121 is an apocalyptic number.

It is an amenable number.

888161121 is a deficient number, since it is larger than the sum of its proper divisors (418944627).

888161121 is a wasteful number, since it uses less digits than its factorization.

888161121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862032 (or 1862029 counting only the distinct ones).

The product of its digits is 6144, while the sum is 36.

The square root of 888161121 is about 29802.0321622536. The cubic root of 888161121 is about 961.2372361605.

The spelling of 888161121 in words is "eight hundred eighty-eight million, one hundred sixty-one thousand, one hundred twenty-one".