1204404026 has 20 divisors (see below), whose sum is σ = 2107590042. Its totient is φ = 516171096.

The previous prime is 1204404011. The next prime is 1204404031. The reversal of 1204404026 is 6204044021.

It can be written as a sum of positive squares in only one way, i.e., 728946001 + 475458025 = 26999^2 + 21805^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1204403992 and 1204404010.

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 9 ways as a sum of consecutive naturals, for example, 120605 + ... + 130208.

Almost surely, 2^1204404026 is an apocalyptic number.

1204404026 is a deficient number, since it is larger than the sum of its proper divisors (903186016).

1204404026 is an frugal number, since it uses more digits than its factorization.

1204404026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250843 (or 250822 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1204404026 is about 34704.5245753346. The cubic root of 1204404026 is about 1063.9569754071.

Adding to 1204404026 its reverse (6204044021), we get a palindrome (7408448047).

The spelling of 1204404026 in words is "one billion, two hundred four million, four hundred four thousand, twenty-six".