1021133104 has 20 divisors (see below), whose sum is σ = 2031918064. Its totient is φ = 496767168.

The previous prime is 1021133063. The next prime is 1021133159. The reversal of 1021133104 is 4013311201.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 861852 + ... + 863035.

Almost surely, 2^1021133104 is an apocalyptic number.

It is an amenable number.

1021133104 is a deficient number, since it is larger than the sum of its proper divisors (1010784960).

1021133104 is a wasteful number, since it uses less digits than its factorization.

1021133104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724932 (or 1724926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1021133104 is about 31955.1733526827. The cubic root of 1021133104 is about 1006.9953194023.

Adding to 1021133104 its reverse (4013311201), we get a palindrome (5034444305).

The spelling of 1021133104 in words is "one billion, twenty-one million, one hundred thirty-three thousand, one hundred four".