1013143 has 2 divisors, whose sum is σ = 1013144. Its totient is φ = 1013142.

The previous prime is 1013063. The next prime is 1013153. The reversal of 1013143 is 3413101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3413101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013143 - 2⁹ = 1012631 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506571 + 506572.

It is an arithmetic number, because the mean of its divisors is an integer number (506572).

2^1013143 is an apocalyptic number.

1013143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013143 is an equidigital number, since it uses as much as digits as its factorization.

1013143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1013143 is about 1006.5500484328. The cubic root of 1013143 is about 100.4361945765.

Adding to 1013143 its reverse (3413101), we get a palindrome (4426244).

It can be divided in two parts, 1013 and 143, that added together give a square (1156 = 34²).

The spelling of 1013143 in words is "one million, thirteen thousand, one hundred forty-three".