1134247143 has 8 divisors (see below), whose sum is σ = 1512828400. Its totient is φ = 755915328.

The previous prime is 1134247129. The next prime is 1134247171. The reversal of 1134247143 is 3417424311.

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

It is a de Polignac number, because none of the positive numbers 2^k-1134247143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1134247143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134247843) 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, 51478 + ... + 70131.

It is an arithmetic number, because the mean of its divisors is an integer number (189103550).

Almost surely, 2^1134247143 is an apocalyptic number.

1134247143 is a deficient number, since it is larger than the sum of its proper divisors (378581257).

1134247143 is a wasteful number, since it uses less digits than its factorization.

1134247143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124721.

The product of its digits is 8064, while the sum is 30.

The square root of 1134247143 is about 33678.5858224481. The cubic root of 1134247143 is about 1042.8837441936.

It can be divided in two parts, 11342 and 47143, that added together give a palindrome (58485).

The spelling of 1134247143 in words is "one billion, one hundred thirty-four million, two hundred forty-seven thousand, one hundred forty-three".