1189107 has 8 divisors (see below), whose sum is σ = 1761680. Its totient is φ = 792720.

The previous prime is 1189093. The next prime is 1189109. The reversal of 1189107 is 7019811.

It is not a de Polignac number, because 1189107 - 2⁸ = 1188851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 44041 = 1189107 / (1 + 1 + 8 + 9 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21994 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (220210).

2^1189107 is an apocalyptic number.

1189107 is a deficient number, since it is larger than the sum of its proper divisors (572573).

1189107 is an equidigital number, since it uses as much as digits as its factorization.

1189107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44050 (or 44044 counting only the distinct ones).

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

The square root of 1189107 is about 1090.4618287680. The cubic root of 1189107 is about 105.9433362749.

It can be divided in two parts, 1189 and 107, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1189107 in words is "one million, one hundred eighty-nine thousand, one hundred seven".