1189230 has 48 divisors (see below), whose sum is σ = 3324240. Its totient is φ = 271488.

The previous prime is 1189219. The next prime is 1189231. The reversal of 1189230 is 329811.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1189230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (69255).

2^1189230 is an apocalyptic number.

1189230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1189230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662120).

1189230 is an abundant number, since it is smaller than the sum of its proper divisors (2135010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1189230 is a wasteful number, since it uses less digits than its factorization.

1189230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1189230 is about 1090.5182254323. The cubic root of 1189230 is about 105.9469890387.

The spelling of 1189230 in words is "one million, one hundred eighty-nine thousand, two hundred thirty".