1004811268 has 24 divisors (see below), whose sum is σ = 1783895960. Its totient is φ = 495175680.

The previous prime is 1004811253. The next prime is 1004811287. The reversal of 1004811268 is 8621184001.

It can be written as a sum of positive squares in 4 ways, for example, as 54199044 + 950612224 = 7362^2 + 30832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78178 + ... + 90118.

Almost surely, 2^1004811268 is an apocalyptic number.

It is an amenable number.

1004811268 is a deficient number, since it is larger than the sum of its proper divisors (779084692).

1004811268 is a wasteful number, since it uses less digits than its factorization.

1004811268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12247 (or 12245 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1004811268 is about 31698.7581460221. The cubic root of 1004811268 is about 1001.6011908196.

Adding to 1004811268 its reverse (8621184001), we get a palindrome (9625995269).

It can be divided in two parts, 10048 and 11268, that added together give a square (21316 = 146²).

The spelling of 1004811268 in words is "one billion, four million, eight hundred eleven thousand, two hundred sixty-eight".