1040043105 has 48 divisors (see below), whose sum is σ = 1895575680. Its totient is φ = 541042560.

The previous prime is 1040043097. The next prime is 1040043139. The reversal of 1040043105 is 5013400401.

It is a happy number.

It is not a de Polignac number, because 1040043105 - 2³ = 1040043097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224644 + ... + 229226.

It is an arithmetic number, because the mean of its divisors is an integer number (39491160).

Almost surely, 2^1040043105 is an apocalyptic number.

1040043105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040043105 is a deficient number, since it is larger than the sum of its proper divisors (855532575).

1040043105 is an equidigital number, since it uses as much as digits as its factorization.

1040043105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679 (or 4632 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1040043105 is about 32249.6993009237. The cubic root of 1040043105 is about 1013.1734011384.

Adding to 1040043105 its reverse (5013400401), we get a palindrome (6053443506).

The spelling of 1040043105 in words is "one billion, forty million, forty-three thousand, one hundred five".