1021130044 has 24 divisors (see below), whose sum is σ = 1953968688. Its totient is φ = 463069440.

The previous prime is 1021130039. The next prime is 1021130081. The reversal of 1021130044 is 4400311201.

It is a congruent number.

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, 7747 + ... + 45850.

It is an arithmetic number, because the mean of its divisors is an integer number (81415362).

Almost surely, 2^1021130044 is an apocalyptic number.

It is an amenable number.

1021130044 is a deficient number, since it is larger than the sum of its proper divisors (932838644).

1021130044 is a wasteful number, since it uses less digits than its factorization.

1021130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54045 (or 54043 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021130044 is about 31955.1254730755. The cubic root of 1021130044 is about 1006.9943135234.

Adding to 1021130044 its reverse (4400311201), we get a palindrome (5421441245).

The spelling of 1021130044 in words is "one billion, twenty-one million, one hundred thirty thousand, forty-four".