1243141143 has 8 divisors (see below), whose sum is σ = 1684694256. Its totient is φ = 815174400.

The previous prime is 1243141127. The next prime is 1243141147. The reversal of 1243141143 is 3411413421.

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

It is not a de Polignac number, because 1243141143 - 2⁴ = 1243141127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243141147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396378 + ... + 3396743.

It is an arithmetic number, because the mean of its divisors is an integer number (210586782).

Almost surely, 2^1243141143 is an apocalyptic number.

1243141143 is a deficient number, since it is larger than the sum of its proper divisors (441553113).

1243141143 is an equidigital number, since it uses as much as digits as its factorization.

1243141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793185.

The product of its digits is 1152, while the sum is 24.

The square root of 1243141143 is about 35258.2067467987. The cubic root of 1243141143 is about 1075.2434690656.

Adding to 1243141143 its reverse (3411413421), we get a palindrome (4654554564).

The spelling of 1243141143 in words is "one billion, two hundred forty-three million, one hundred forty-one thousand, one hundred forty-three".