1189149 has 8 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 731760.

The previous prime is 1189127. The next prime is 1189151. The reversal of 1189149 is 9419811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1189149 - 2⁷ = 1189021 is a prime.

It is an Ulam number.

1189149 is a lucky number.

It is a congruent 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, 15207 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

2^1189149 is an apocalyptic number.

It is an amenable number.

1189149 is a deficient number, since it is larger than the sum of its proper divisors (518403).

1189149 is a wasteful number, since it uses less digits than its factorization.

1189149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30507.

The product of its digits is 2592, while the sum is 33.

The square root of 1189149 is about 1090.4810864935. The cubic root of 1189149 is about 105.9445835884.

The spelling of 1189149 in words is "one million, one hundred eighty-nine thousand, one hundred forty-nine".