1143430 has 8 divisors (see below), whose sum is σ = 2058192. Its totient is φ = 457368.

The previous prime is 1143407. The next prime is 1143433. The reversal of 1143430 is 343411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57162 + ... + 57181.

It is an arithmetic number, because the mean of its divisors is an integer number (257274).

2^1143430 is an apocalyptic number.

1143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143430 is a deficient number, since it is larger than the sum of its proper divisors (914762).

1143430 is a wasteful number, since it uses less digits than its factorization.

1143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114350.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1143430 is about 1069.3128634782. The cubic root of 1143430 is about 104.5690576255.

Adding to 1143430 its reverse (343411), we get a palindrome (1486841).

The spelling of 1143430 in words is "one million, one hundred forty-three thousand, four hundred thirty".