1143412361 has 8 divisors (see below), whose sum is σ = 1407276864. Its totient is φ = 904677840.

The previous prime is 1143412357. The next prime is 1143412397. The reversal of 1143412361 is 1632143411.

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 1143412361 - 2² = 1143412357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143412361.

It is not an unprimeable number, because it can be changed into a prime (1143412321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6282395 + ... + 6282576.

It is an arithmetic number, because the mean of its divisors is an integer number (175909608).

Almost surely, 2^1143412361 is an apocalyptic number.

It is an amenable number.

1143412361 is a deficient number, since it is larger than the sum of its proper divisors (263864503).

1143412361 is a wasteful number, since it uses less digits than its factorization.

1143412361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564991.

The product of its digits is 1728, while the sum is 26.

The square root of 1143412361 is about 33814.3809791041. The cubic root of 1143412361 is about 1045.6851991491.

Adding to 1143412361 its reverse (1632143411), we get a palindrome (2775555772).

The spelling of 1143412361 in words is "one billion, one hundred forty-three million, four hundred twelve thousand, three hundred sixty-one".