1021851682 has 16 divisors (see below), whose sum is σ = 1600172352. Its totient is φ = 488481840.

The previous prime is 1021851671. The next prime is 1021851697. The reversal of 1021851682 is 2861581201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132928 + ... + 140404.

It is an arithmetic number, because the mean of its divisors is an integer number (100010772).

Almost surely, 2^1021851682 is an apocalyptic number.

1021851682 is a deficient number, since it is larger than the sum of its proper divisors (578320670).

1021851682 is a wasteful number, since it uses less digits than its factorization.

1021851682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1021851682 is about 31966.4149068988. The cubic root of 1021851682 is about 1007.2314737329.

The spelling of 1021851682 in words is "one billion, twenty-one million, eight hundred fifty-one thousand, six hundred eighty-two".