1189129 has 8 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 1135200.

The previous prime is 1189127. The next prime is 1189151. The reversal of 1189129 is 9219811.

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 1189129 - 2¹ = 1189127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1189129.

It is not an unprimeable number, because it can be changed into a prime (1189121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^1189129 is an apocalyptic number.

It is an amenable number.

1189129 is a deficient number, since it is larger than the sum of its proper divisors (55031).

1189129 is an equidigital number, since it uses as much as digits as its factorization.

1189129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 1296, while the sum is 31.

The square root of 1189129 is about 1090.4719161904. The cubic root of 1189129 is about 105.9439896333.

The spelling of 1189129 in words is "one million, one hundred eighty-nine thousand, one hundred twenty-nine".