1012443143 has 4 divisors (see below), whose sum is σ = 1071998640. Its totient is φ = 952887648.

The previous prime is 1012443119. The next prime is 1012443151. The reversal of 1012443143 is 3413442101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413442101 = 1033 ⋅3304397.

It is a cyclic number.

It is not a de Polignac number, because 1012443143 - 2²⁸ = 744007687 is a prime.

It is a super-2 number, since 2×1012443143² = 2050082235615436898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012443343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29777723 + ... + 29777756.

It is an arithmetic number, because the mean of its divisors is an integer number (267999660).

Almost surely, 2^1012443143 is an apocalyptic number.

1012443143 is a deficient number, since it is larger than the sum of its proper divisors (59555497).

1012443143 is an equidigital number, since it uses as much as digits as its factorization.

1012443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59555496.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1012443143 is about 31818.9117192905. The cubic root of 1012443143 is about 1004.1306287471.

Adding to 1012443143 its reverse (3413442101), we get a palindrome (4425885244).

The spelling of 1012443143 in words is "one billion, twelve million, four hundred forty-three thousand, one hundred forty-three".