1021181002 has 16 divisors (see below), whose sum is σ = 1653488640. Its totient is φ = 471549232.

The previous prime is 1021180999. The next prime is 1021181039. The reversal of 1021181002 is 2001811201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381418 + ... + 384085.

It is an arithmetic number, because the mean of its divisors is an integer number (103343040).

Almost surely, 2^1021181002 is an apocalyptic number.

1021181002 is a deficient number, since it is larger than the sum of its proper divisors (632307638).

1021181002 is a wasteful number, since it uses less digits than its factorization.

1021181002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765557.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1021181002 is about 31955.9228000069. The cubic root of 1021181002 is about 1007.0110641038.

Adding to 1021181002 its reverse (2001811201), we get a palindrome (3022992203).

The spelling of 1021181002 in words is "one billion, twenty-one million, one hundred eighty-one thousand, two".