1043040103 has 4 divisors (see below), whose sum is σ = 1192045840. Its totient is φ = 894034368.

The previous prime is 1043040091. The next prime is 1043040107. The reversal of 1043040103 is 3010403401.

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

It is a cyclic number.

It is not a de Polignac number, because 1043040103 - 2¹³ = 1043031911 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 (1043040107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74502858 + ... + 74502871.

It is an arithmetic number, because the mean of its divisors is an integer number (298011460).

Almost surely, 2^1043040103 is an apocalyptic number.

1043040103 is a deficient number, since it is larger than the sum of its proper divisors (149005737).

1043040103 is an equidigital number, since it uses as much as digits as its factorization.

1043040103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149005736.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1043040103 is about 32296.1313937134. The cubic root of 1043040103 is about 1014.1456578503.

Adding to 1043040103 its reverse (3010403401), we get a palindrome (4053443504).

The spelling of 1043040103 in words is "one billion, forty-three million, forty thousand, one hundred three".