1042637005 has 4 divisors (see below), whose sum is σ = 1251164412. Its totient is φ = 834109600.

The previous prime is 1042636961. The next prime is 1042637053. The reversal of 1042637005 is 5007362401.

1042637005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 428241636 + 614395369 = 20694^2 + 24787^2 .

It is not a de Polignac number, because 1042637005 - 2⁹ = 1042636493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104263696 + ... + 104263705.

It is an arithmetic number, because the mean of its divisors is an integer number (312791103).

Almost surely, 2^1042637005 is an apocalyptic number.

It is an amenable number.

1042637005 is a deficient number, since it is larger than the sum of its proper divisors (208527407).

1042637005 is an equidigital number, since it uses as much as digits as its factorization.

1042637005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208527406.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1042637005 is about 32289.8901360782. The cubic root of 1042637005 is about 1014.0149972430.

Adding to 1042637005 its reverse (5007362401), we get a palindrome (6049999406).

The spelling of 1042637005 in words is "one billion, forty-two million, six hundred thirty-seven thousand, five".