1143607671 has 12 divisors (see below), whose sum is σ = 1652634048. Its totient is φ = 762056064.

The previous prime is 1143607669. The next prime is 1143607681. The reversal of 1143607671 is 1767063411.

1143607671 is a `hidden beast` number, since 1 + 1 + 43 + 607 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 1143607671 - 2¹ = 1143607669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143607681) 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 11 ways as a sum of consecutive naturals, for example, 7495 + ... + 48408.

It is an arithmetic number, because the mean of its divisors is an integer number (137719504).

Almost surely, 2^1143607671 is an apocalyptic number.

1143607671 is a deficient number, since it is larger than the sum of its proper divisors (509026377).

1143607671 is a wasteful number, since it uses less digits than its factorization.

1143607671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58182 (or 58179 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1143607671 is about 33817.2688282185. The cubic root of 1143607671 is about 1045.7447347275.

The spelling of 1143607671 in words is "one billion, one hundred forty-three million, six hundred seven thousand, six hundred seventy-one".