1163103143 has 4 divisors (see below), whose sum is σ = 1164690648. Its totient is φ = 1161515640.

The previous prime is 1163103091. The next prime is 1163103181. The reversal of 1163103143 is 3413013611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1163103143 - 2⁶ = 1163103079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163103343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792653 + ... + 794118.

It is an arithmetic number, because the mean of its divisors is an integer number (291172662).

Almost surely, 2^1163103143 is an apocalyptic number.

1163103143 is a deficient number, since it is larger than the sum of its proper divisors (1587505).

1163103143 is an equidigital number, since it uses as much as digits as its factorization.

1163103143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587504.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1163103143 is about 34104.2980135935. The cubic root of 1163103143 is about 1051.6536732809.

Adding to 1163103143 its reverse (3413013611), we get a palindrome (4576116754).

The spelling of 1163103143 in words is "one billion, one hundred sixty-three million, one hundred three thousand, one hundred forty-three".