11121187 has 24 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 8462160.

The previous prime is 11121163. The next prime is 11121197. The reversal of 11121187 is 78112111.

11121187 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11121187 - 2²³ = 2732579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121197) 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 23 ways as a sum of consecutive naturals, for example, 25114 + ... + 25552.

It is an arithmetic number, because the mean of its divisors is an integer number (601920).

Almost surely, 2^11121187 is an apocalyptic number.

11121187 is a deficient number, since it is larger than the sum of its proper divisors (3324893).

11121187 is a wasteful number, since it uses less digits than its factorization.

11121187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 504 counting only the distinct ones).

The product of its digits is 112, while the sum is 22.

The square root of 11121187 is about 3334.8443741800. The cubic root of 11121187 is about 223.2117476356.

Adding to 11121187 its reverse (78112111), we get a palindrome (89233298).

The spelling of 11121187 in words is "eleven million, one hundred twenty-one thousand, one hundred eighty-seven".