1232189 has 8 divisors (see below), whose sum is σ = 1422720. Its totient is φ = 1045296.

The previous prime is 1232183. The next prime is 1232201. The reversal of 1232189 is 9812321.

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

It is a de Polignac number, because none of the positive numbers 2^k-1232189 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232183) 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, 134 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (177840).

2^1232189 is an apocalyptic number.

It is an amenable number.

1232189 is a deficient number, since it is larger than the sum of its proper divisors (190531).

1232189 is a wasteful number, since it uses less digits than its factorization.

1232189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 864, while the sum is 26.

The square root of 1232189 is about 1110.0400893661. The cubic root of 1232189 is about 107.2076498681.

Multiplying 1232189 by its product of digits (864), we get a triangular number (1064611296 = T₄₆₁₄₃).

The spelling of 1232189 in words is "one million, two hundred thirty-two thousand, one hundred eighty-nine".