1071868705 has 4 divisors (see below), whose sum is σ = 1286242452. Its totient is φ = 857494960.

The previous prime is 1071868669. The next prime is 1071868769. The reversal of 1071868705 is 5078681701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5078681701 = 6733 ⋅754297.

It can be written as a sum of positive squares in 2 ways, for example, as 227617569 + 844251136 = 15087^2 + 29056^2 .

It is not a de Polignac number, because 1071868705 - 2¹¹ = 1071866657 is a prime.

It is a super-2 number, since 2×1071868705² = 2297805041516754050, which contains 22 as substring.

It is a Duffinian 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, 107186866 + ... + 107186875.

It is an arithmetic number, because the mean of its divisors is an integer number (321560613).

Almost surely, 2^1071868705 is an apocalyptic number.

It is an amenable number.

1071868705 is a deficient number, since it is larger than the sum of its proper divisors (214373747).

1071868705 is an equidigital number, since it uses as much as digits as its factorization.

1071868705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214373746.

The product of its (nonzero) digits is 94080, while the sum is 43.

The square root of 1071868705 is about 32739.4059964441. The cubic root of 1071868705 is about 1023.4042049211.

The spelling of 1071868705 in words is "one billion, seventy-one million, eight hundred sixty-eight thousand, seven hundred five".