1100006143 has 2 divisors, whose sum is σ = 1100006144. Its totient is φ = 1100006142.

The previous prime is 1100006137. The next prime is 1100006183. The reversal of 1100006143 is 3416000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100006143 - 2⁵ = 1100006111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100006183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550003071 + 550003072.

It is an arithmetic number, because the mean of its divisors is an integer number (550003072).

Almost surely, 2^1100006143 is an apocalyptic number.

1100006143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100006143 is an equidigital number, since it uses as much as digits as its factorization.

1100006143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1100006143 is about 33166.3405126342. The cubic root of 1100006143 is about 1032.2820370579.

Adding to 1100006143 its reverse (3416000011), we get a palindrome (4516006154).

The spelling of 1100006143 in words is "one billion, one hundred million, six thousand, one hundred forty-three".