1012001143 has 8 divisors (see below), whose sum is σ = 1071820080. Its totient is φ = 952214400.

The previous prime is 1012001141. The next prime is 1012001147. The reversal of 1012001143 is 3411002101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012001143 - 2¹ = 1012001141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93093 + ... + 103393.

It is an arithmetic number, because the mean of its divisors is an integer number (133977510).

Almost surely, 2^1012001143 is an apocalyptic number.

1012001143 is a deficient number, since it is larger than the sum of its proper divisors (59818937).

1012001143 is a wasteful number, since it uses less digits than its factorization.

1012001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16097.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1012001143 is about 31811.9654061172. The cubic root of 1012001143 is about 1003.9844838028.

Adding to 1012001143 its reverse (3411002101), we get a palindrome (4423003244).

The spelling of 1012001143 in words is "one billion, twelve million, one thousand, one hundred forty-three".