1143013 has 2 divisors, whose sum is σ = 1143014. Its totient is φ = 1143012.

The previous prime is 1142971. The next prime is 1143019. The reversal of 1143013 is 3103411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 263169 = 938^2 + 513^2 .

It is an emirp because it is prime and its reverse (3103411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143013 - 2¹³ = 1134821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142984 and 1143002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571506 + 571507.

It is an arithmetic number, because the mean of its divisors is an integer number (571507).

2^1143013 is an apocalyptic number.

It is an amenable number.

1143013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143013 is an equidigital number, since it uses as much as digits as its factorization.

1143013 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 1143013 is about 1069.1178606683. The cubic root of 1143013 is about 104.5563442400.

Adding to 1143013 its reverse (3103411), we get a palindrome (4246424).

The spelling of 1143013 in words is "one million, one hundred forty-three thousand, thirteen".