1189049 has 4 divisors (see below), whose sum is σ = 1206864. Its totient is φ = 1171236.

The previous prime is 1189033. The next prime is 1189057. The reversal of 1189049 is 9409811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9409811 = 127 ⋅74093.

It is a cyclic number.

It is not a de Polignac number, because 1189049 - 2⁴ = 1189033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8807 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (301716).

2^1189049 is an apocalyptic number.

It is an amenable number.

1189049 is a deficient number, since it is larger than the sum of its proper divisors (17815).

1189049 is an equidigital number, since it uses as much as digits as its factorization.

1189049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17814.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1189049 is about 1090.4352342070. The cubic root of 1189049 is about 105.9416137460.

The spelling of 1189049 in words is "one million, one hundred eighty-nine thousand, forty-nine".