1189135 has 8 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 941664.

The previous prime is 1189127. The next prime is 1189151. The reversal of 1189135 is 5319811.

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

It is a cyclic number.

It is not a de Polignac number, because 1189135 - 2³ = 1189127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^1189135 is an apocalyptic number.

1189135 is a deficient number, since it is larger than the sum of its proper divisors (252305).

1189135 is a wasteful number, since it uses less digits than its factorization.

1189135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

The product of its digits is 1080, while the sum is 28.

The square root of 1189135 is about 1090.4746672894. The cubic root of 1189135 is about 105.9441678205.

The spelling of 1189135 in words is "one million, one hundred eighty-nine thousand, one hundred thirty-five".