1230002143 has 8 divisors (see below), whose sum is σ = 1302008400. Its totient is φ = 1159968768.

The previous prime is 1230002141. The next prime is 1230002167. The reversal of 1230002143 is 3412000321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1230002143 - 2¹ = 1230002141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230002141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491938 + ... + 494431.

It is an arithmetic number, because the mean of its divisors is an integer number (162751050).

Almost surely, 2^1230002143 is an apocalyptic number.

1230002143 is a deficient number, since it is larger than the sum of its proper divisors (72006257).

1230002143 is an equidigital number, since it uses as much as digits as its factorization.

1230002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986441.

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

The square root of 1230002143 is about 35071.3863854852. The cubic root of 1230002143 is about 1071.4418919394.

Adding to 1230002143 its reverse (3412000321), we get a palindrome (4642002464).

The spelling of 1230002143 in words is "one billion, two hundred thirty million, two thousand, one hundred forty-three".