1113189 has 32 divisors (see below), whose sum is σ = 1904640. Its totient is φ = 561600.

The previous prime is 1113187. The next prime is 1113193. The reversal of 1113189 is 9813111.

It is not a de Polignac number, because 1113189 - 2¹ = 1113187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113181) 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 31 ways as a sum of consecutive naturals, for example, 14052 + ... + 14130.

It is an arithmetic number, because the mean of its divisors is an integer number (59520).

2^1113189 is an apocalyptic number.

It is an amenable number.

1113189 is a deficient number, since it is larger than the sum of its proper divisors (791451).

1113189 is a wasteful number, since it uses less digits than its factorization.

1113189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its digits is 216, while the sum is 24.

The square root of 1113189 is about 1055.0777222556. The cubic root of 1113189 is about 103.6389414983.

The spelling of 1113189 in words is "one million, one hundred thirteen thousand, one hundred eighty-nine".