1163214143 has 16 divisors (see below), whose sum is σ = 1507000320. Its totient is φ = 871904736.

The previous prime is 1163214127. The next prime is 1163214149. The reversal of 1163214143 is 3414123611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1163214143 - 2⁴ = 1163214127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163214149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334655 + ... + 338112.

It is an arithmetic number, because the mean of its divisors is an integer number (94187520).

Almost surely, 2^1163214143 is an apocalyptic number.

1163214143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1163214143 is a deficient number, since it is larger than the sum of its proper divisors (343786177).

1163214143 is a wasteful number, since it uses less digits than its factorization.

1163214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672806.

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

The square root of 1163214143 is about 34105.9253356363. The cubic root of 1163214143 is about 1051.6871268472.

Adding to 1163214143 its reverse (3414123611), we get a palindrome (4577337754).

The spelling of 1163214143 in words is "one billion, one hundred sixty-three million, two hundred fourteen thousand, one hundred forty-three".