1021133004 has 24 divisors (see below), whose sum is σ = 2386832448. Its totient is φ = 339779280.

The previous prime is 1021132991. The next prime is 1021133011. The reversal of 1021133004 is 4003311201.

1021133004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021133004² = 2085425223716128032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67662 + ... + 81365.

It is an arithmetic number, because the mean of its divisors is an integer number (99451352).

Almost surely, 2^1021133004 is an apocalyptic number.

It is an amenable number.

1021133004 is an abundant number, since it is smaller than the sum of its proper divisors (1365699444).

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

1021133004 is a wasteful number, since it uses less digits than its factorization.

1021133004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149605 (or 149603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1021133004 is about 31955.1717879908. The cubic root of 1021133004 is about 1006.9952865305.

Adding to 1021133004 its reverse (4003311201), we get a palindrome (5024444205).

The spelling of 1021133004 in words is "one billion, twenty-one million, one hundred thirty-three thousand, four".