1144206 has 40 divisors (see below), whose sum is σ = 2933040. Its totient is φ = 326592.

The previous prime is 1144193. The next prime is 1144211. The reversal of 1144206 is 6024411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 630 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (73326).

2^1144206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466520).

1144206 is an abundant number, since it is smaller than the sum of its proper divisors (1788834).

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

1144206 is a wasteful number, since it uses less digits than its factorization.

1144206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1144206 is about 1069.6756517749. The cubic root of 1144206 is about 104.5927078821.

Adding to 1144206 its reverse (6024411), we get a palindrome (7168617).

The spelling of 1144206 in words is "one million, one hundred forty-four thousand, two hundred six".