1107189 has 10 divisors (see below), whose sum is σ = 1654070. Its totient is φ = 738072.

The previous prime is 1107173. The next prime is 1107199. The reversal of 1107189 is 9817011.

It can be written as a sum of positive squares in only one way, i.e., 1034289 + 72900 = 1017^2 + 270^2 .

It is not a de Polignac number, because 1107189 - 2⁴ = 1107173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107109) 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 9 ways as a sum of consecutive naturals, for example, 6754 + ... + 6915.

It is an arithmetic number, because the mean of its divisors is an integer number (165407).

2^1107189 is an apocalyptic number.

It is an amenable number.

1107189 is a deficient number, since it is larger than the sum of its proper divisors (546881).

1107189 is an equidigital number, since it uses as much as digits as its factorization.

1107189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681 (or 13672 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1107189 is about 1052.2304880586. The cubic root of 1107189 is about 103.4524040766.

It can be divided in two parts, 1107 and 189, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1107189 in words is "one million, one hundred seven thousand, one hundred eighty-nine".