1144830 has 32 divisors (see below), whose sum is σ = 2838528. Its totient is φ = 295200.

The previous prime is 1144823. The next prime is 1144837. The reversal of 1144830 is 384411.

It is an interprime number because it is at equal distance from previous prime (1144823) and next prime (1144837).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1144797 and 1144806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (88704).

2^1144830 is an apocalyptic number.

1144830 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 1144830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419264).

1144830 is an abundant number, since it is smaller than the sum of its proper divisors (1693698).

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

1144830 is a wasteful number, since it uses less digits than its factorization.

1144830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144830 is about 1069.9672892196. The cubic root of 1144830 is about 104.6117178590.

The spelling of 1144830 in words is "one million, one hundred forty-four thousand, eight hundred thirty".