1012243143 has 4 divisors (see below), whose sum is σ = 1349657528. Its totient is φ = 674828760.

The previous prime is 1012243123. The next prime is 1012243181. The reversal of 1012243143 is 3413422101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413422101 = 3 ⋅1137807367.

It is not a de Polignac number, because 1012243143 - 2¹⁷ = 1012112071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012243123) 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 in 3 ways as a sum of consecutive naturals, for example, 168707188 + ... + 168707193.

It is an arithmetic number, because the mean of its divisors is an integer number (337414382).

Almost surely, 2^1012243143 is an apocalyptic number.

1012243143 is a deficient number, since it is larger than the sum of its proper divisors (337414385).

1012243143 is an equidigital number, since it uses as much as digits as its factorization.

1012243143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337414384.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1012243143 is about 31815.7687790190. The cubic root of 1012243143 is about 1004.0645050829.

Adding to 1012243143 its reverse (3413422101), we get a palindrome (4425665244).

The spelling of 1012243143 in words is "one billion, twelve million, two hundred forty-three thousand, one hundred forty-three".