1071300665 has 4 divisors (see below), whose sum is σ = 1285560804. Its totient is φ = 857040528.

The previous prime is 1071300649. The next prime is 1071300677. The reversal of 1071300665 is 5660031701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5660031701 = 5419 ⋅1044479.

It can be written as a sum of positive squares in 2 ways, for example, as 292444201 + 778856464 = 17101^2 + 27908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071300665 - 2⁴ = 1071300649 is a prime.

It is a super-2 number, since 2×1071300665² = 2295370229658884450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107130062 + ... + 107130071.

It is an arithmetic number, because the mean of its divisors is an integer number (321390201).

Almost surely, 2^1071300665 is an apocalyptic number.

It is an amenable number.

1071300665 is a deficient number, since it is larger than the sum of its proper divisors (214260139).

1071300665 is an equidigital number, since it uses as much as digits as its factorization.

1071300665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214260138.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1071300665 is about 32730.7296741151. The cubic root of 1071300665 is about 1023.2233876110.

The spelling of 1071300665 in words is "one billion, seventy-one million, three hundred thousand, six hundred sixty-five".