1012403143 has 2 divisors, whose sum is σ = 1012403144. Its totient is φ = 1012403142.

The previous prime is 1012403123. The next prime is 1012403209. The reversal of 1012403143 is 3413042101.

1012403143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012403143 - 2¹³ = 1012394951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012403143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012403113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506201571 + 506201572.

It is an arithmetic number, because the mean of its divisors is an integer number (506201572).

Almost surely, 2^1012403143 is an apocalyptic number.

1012403143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012403143 is an equidigital number, since it uses as much as digits as its factorization.

1012403143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1012403143 is about 31818.2831560724. The cubic root of 1012403143 is about 1004.1174047110.

Adding to 1012403143 its reverse (3413042101), we get a palindrome (4425445244).

The spelling of 1012403143 in words is "one billion, twelve million, four hundred three thousand, one hundred forty-three".