1013043 has 4 divisors (see below), whose sum is σ = 1350728. Its totient is φ = 675360.

The previous prime is 1013041. The next prime is 1013053. The reversal of 1013043 is 3403101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1013043 - 2¹ = 1013041 is a prime.

It is a super-2 number, since 2×1013043² = 2052512239698, which contains 22 as substring.

It is a D-number.

It is the 1007-th Hogben number.

It is a Duffinian number.

1013043 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1013041) by changing a digit.

It is a nontrivial repunit in base 1006.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168838 + ... + 168843.

It is an arithmetic number, because the mean of its divisors is an integer number (337682).

2^1013043 is an apocalyptic number.

1013043 is a deficient number, since it is larger than the sum of its proper divisors (337685).

1013043 is an equidigital number, since it uses as much as digits as its factorization.

1013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337684.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1013043 is about 1006.5003725782. The cubic root of 1013043 is about 100.4328900249.

Adding to 1013043 its reverse (3403101), we get a palindrome (4416144).

The spelling of 1013043 in words is "one million, thirteen thousand, forty-three".