1021314005 has 4 divisors (see below), whose sum is σ = 1225576812. Its totient is φ = 817051200.

The previous prime is 1021313999. The next prime is 1021314017. The reversal of 1021314005 is 5004131201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5004131201 = 967 ⋅5174903.

It can be written as a sum of positive squares in 2 ways, for example, as 481495249 + 539818756 = 21943^2 + 23234^2 .

It is not a de Polignac number, because 1021314005 - 2⁴ = 1021313989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102131396 + ... + 102131405.

It is an arithmetic number, because the mean of its divisors is an integer number (306394203).

Almost surely, 2^1021314005 is an apocalyptic number.

It is an amenable number.

1021314005 is a deficient number, since it is larger than the sum of its proper divisors (204262807).

1021314005 is an equidigital number, since it uses as much as digits as its factorization.

1021314005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204262806.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1021314005 is about 31958.0037705737. The cubic root of 1021314005 is about 1007.0547813547.

Adding to 1021314005 its reverse (5004131201), we get a palindrome (6025445206).

The spelling of 1021314005 in words is "one billion, twenty-one million, three hundred fourteen thousand, five".