1234004605 has 8 divisors (see below), whose sum is σ = 1488987864. Its totient is φ = 981748800.

The previous prime is 1234004557. The next prime is 1234004617. The reversal of 1234004605 is 5064004321.

It can be written as a sum of positive squares in 4 ways, for example, as 73307844 + 1160696761 = 8562^2 + 34069^2 .

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

It is not a de Polignac number, because 1234004605 - 2⁷ = 1234004477 is a prime.

It is a super-2 number, since 2×1234004605² = 3045534730322412050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234004605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680866 + ... + 682675.

It is an arithmetic number, because the mean of its divisors is an integer number (186123483).

Almost surely, 2^1234004605 is an apocalyptic number.

It is an amenable number.

1234004605 is a deficient number, since it is larger than the sum of its proper divisors (254983259).

1234004605 is a wasteful number, since it uses less digits than its factorization.

1234004605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363727.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1234004605 is about 35128.4016858154. The cubic root of 1234004605 is about 1072.6028011139.

Adding to 1234004605 its reverse (5064004321), we get a palindrome (6298008926).

The spelling of 1234004605 in words is "one billion, two hundred thirty-four million, four thousand, six hundred five".