1043540103 has 8 divisors (see below), whose sum is σ = 1394529408. Its totient is φ = 694122104.

The previous prime is 1043540051. The next prime is 1043540131. The reversal of 1043540103 is 3010453401.

1043540103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043540103 - 2¹⁶ = 1043474567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043540103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043540503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391275 + ... + 393932.

It is an arithmetic number, because the mean of its divisors is an integer number (174316176).

Almost surely, 2^1043540103 is an apocalyptic number.

1043540103 is a deficient number, since it is larger than the sum of its proper divisors (350989305).

1043540103 is an equidigital number, since it uses as much as digits as its factorization.

1043540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785653.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1043540103 is about 32303.8713314674. The cubic root of 1043540103 is about 1014.3076816064.

Adding to 1043540103 its reverse (3010453401), we get a palindrome (4053993504).

The spelling of 1043540103 in words is "one billion, forty-three million, five hundred forty thousand, one hundred three".