1021133304 has 80 divisors (see below), whose sum is σ = 2952438720. Its totient is φ = 329391360.

The previous prime is 1021133303. The next prime is 1021133371. The reversal of 1021133304 is 4033311201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021133303) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5329 + ... + 45504.

It is an arithmetic number, because the mean of its divisors is an integer number (36905484).

Almost surely, 2^1021133304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021133304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476219360).

1021133304 is an abundant number, since it is smaller than the sum of its proper divisors (1931305416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021133304 is a wasteful number, since it uses less digits than its factorization.

1021133304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50882 (or 50869 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1021133304 is about 31955.1764820663. The cubic root of 1021133304 is about 1006.9953851460.

Adding to 1021133304 its reverse (4033311201), we get a palindrome (5054444505).

The spelling of 1021133304 in words is "one billion, twenty-one million, one hundred thirty-three thousand, three hundred four".