1100105143 has 2 divisors, whose sum is σ = 1100105144. Its totient is φ = 1100105142.

The previous prime is 1100105137. The next prime is 1100105177. The reversal of 1100105143 is 3415010011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100105143 - 2⁹ = 1100104631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100105113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550052571 + 550052572.

It is an arithmetic number, because the mean of its divisors is an integer number (550052572).

Almost surely, 2^1100105143 is an apocalyptic number.

1100105143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100105143 is an equidigital number, since it uses as much as digits as its factorization.

1100105143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1100105143 is about 33167.8329560434. The cubic root of 1100105143 is about 1032.3130044170.

Adding to 1100105143 its reverse (3415010011), we get a palindrome (4515115154).

The spelling of 1100105143 in words is "one billion, one hundred million, one hundred five thousand, one hundred forty-three".