1108122889 has 4 divisors (see below), whose sum is σ = 1126288900. Its totient is φ = 1089956880.

The previous prime is 1108122877. The next prime is 1108122893. The reversal of 1108122889 is 9882218011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 555073600 + 553049289 = 23560^2 + 23517^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108122889 - 2¹³ = 1108114697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108126889) 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 3 ways as a sum of consecutive naturals, for example, 9082914 + ... + 9083035.

It is an arithmetic number, because the mean of its divisors is an integer number (281572225).

Almost surely, 2^1108122889 is an apocalyptic number.

It is an amenable number.

1108122889 is a deficient number, since it is larger than the sum of its proper divisors (18166011).

1108122889 is an equidigital number, since it uses as much as digits as its factorization.

1108122889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166010.

The product of its (nonzero) digits is 18432, while the sum is 40.

The square root of 1108122889 is about 33288.4798241073. The cubic root of 1108122889 is about 1034.8148249392.

It can be divided in two parts, 1108122 and 889, that added together give a palindrome (1109011).

The spelling of 1108122889 in words is "one billion, one hundred eight million, one hundred twenty-two thousand, eight hundred eighty-nine".