1021841352 has 128 divisors (see below), whose sum is σ = 3268281600. Its totient is φ = 289764864.

The previous prime is 1021841329. The next prime is 1021841357. The reversal of 1021841352 is 2531481201.

1021841352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1021841357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204678 + ... + 209610.

It is an arithmetic number, because the mean of its divisors is an integer number (25533450).

Almost surely, 2^1021841352 is an apocalyptic number.

1021841352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021841352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634140800).

1021841352 is an abundant number, since it is smaller than the sum of its proper divisors (2246440248).

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

1021841352 is a wasteful number, since it uses less digits than its factorization.

1021841352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1021841352 is about 31966.2533306611. The cubic root of 1021841352 is about 1007.2280796539.

The spelling of 1021841352 in words is "one billion, twenty-one million, eight hundred forty-one thousand, three hundred fifty-two".