1040032105 has 12 divisors (see below), whose sum is σ = 1451800260. Its totient is φ = 713164704.

The previous prime is 1040032073. The next prime is 1040032109. The reversal of 1040032105 is 5012300401.

It can be written as a sum of positive squares in 2 ways, for example, as 118788201 + 921243904 = 10899^2 + 30352^2 .

It is not a de Polignac number, because 1040032105 - 2⁵ = 1040032073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040032109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2122270 + ... + 2122759.

It is an arithmetic number, because the mean of its divisors is an integer number (120983355).

Almost surely, 2^1040032105 is an apocalyptic number.

It is an amenable number.

1040032105 is a deficient number, since it is larger than the sum of its proper divisors (411768155).

1040032105 is an equidigital number, since it uses as much as digits as its factorization.

1040032105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245048 (or 4245041 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1040032105 is about 32249.5287562470. The cubic root of 1040032105 is about 1013.1698291881.

Adding to 1040032105 its reverse (5012300401), we get a palindrome (6052332506).

The spelling of 1040032105 in words is "one billion, forty million, thirty-two thousand, one hundred five".