1021304041005 has 32 divisors (see below), whose sum is σ = 1641314448000. Its totient is φ = 542291484672.

The previous prime is 1021304040989. The next prime is 1021304041033. The reversal of 1021304041005 is 5001404031201.

It is not a de Polignac number, because 1021304041005 - 2⁴ = 1021304040989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2911986 + ... + 3243804.

It is an arithmetic number, because the mean of its divisors is an integer number (51291076500).

Almost surely, 2^{1021304041005} is an apocalyptic number.

1021304041005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021304041005 is a deficient number, since it is larger than the sum of its proper divisors (620010406995).

1021304041005 is a wasteful number, since it uses less digits than its factorization.

1021304041005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332733.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1021304041005 its reverse (5001404031201), we get a palindrome (6022708072206).

The spelling of 1021304041005 in words is "one trillion, twenty-one billion, three hundred four million, forty-one thousand, five".