1001412143 has 2 divisors, whose sum is σ = 1001412144. Its totient is φ = 1001412142.

The previous prime is 1001412107. The next prime is 1001412227. The reversal of 1001412143 is 3412141001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3412141001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001412143 - 2¹⁰ = 1001411119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001412343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500706071 + 500706072.

It is an arithmetic number, because the mean of its divisors is an integer number (500706072).

Almost surely, 2^1001412143 is an apocalyptic number.

1001412143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001412143 is an equidigital number, since it uses as much as digits as its factorization.

1001412143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1001412143 is about 31645.0966659923. The cubic root of 1001412143 is about 1000.4704929350.

Adding to 1001412143 its reverse (3412141001), we get a palindrome (4413553144).

The spelling of 1001412143 in words is "one billion, one million, four hundred twelve thousand, one hundred forty-three".