1021093648 has 80 divisors (see below), whose sum is σ = 2121292800. Its totient is φ = 475080320.

The previous prime is 1021093637. The next prime is 1021093657. The reversal of 1021093648 is 8463901201.

1021093648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844093 + ... + 2844451.

It is an arithmetic number, because the mean of its divisors is an integer number (26516160).

Almost surely, 2^1021093648 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 1021093648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060646400).

1021093648 is an abundant number, since it is smaller than the sum of its proper divisors (1100199152).

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

1021093648 is a wasteful number, since it uses less digits than its factorization.

1021093648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1021093648 is about 31954.5559818940. Note that the first 3 decimals coincide. The cubic root of 1021093648 is about 1006.9823493272.

Adding to 1021093648 its reverse (8463901201), we get a palindrome (9484994849).

The spelling of 1021093648 in words is "one billion, twenty-one million, ninety-three thousand, six hundred forty-eight".