1021900848 has 80 divisors (see below), whose sum is σ = 2732146560. Its totient is φ = 328914432.

The previous prime is 1021900823. The next prime is 1021900849. The reversal of 1021900848 is 8480091201.

1021900848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1021900849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180915 + ... + 186477.

It is an arithmetic number, because the mean of its divisors is an integer number (34151832).

Almost surely, 2^1021900848 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 1021900848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366073280).

1021900848 is an abundant number, since it is smaller than the sum of its proper divisors (1710245712).

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

1021900848 is a wasteful number, since it uses less digits than its factorization.

1021900848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5706 (or 5700 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1021900848 is about 31967.1839235176. The cubic root of 1021900848 is about 1007.2476276586.

The spelling of 1021900848 in words is "one billion, twenty-one million, nine hundred thousand, eight hundred forty-eight".