1071312847 has 8 divisors (see below), whose sum is σ = 1181837520. Its totient is φ = 962976960.

The previous prime is 1071312841. The next prime is 1071312859. The reversal of 1071312847 is 7482131701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1071312847 is a prime.

It is a super-2 number, since 2×1071312847² = 2295422432294490818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071312841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546168 + ... + 548125.

It is an arithmetic number, because the mean of its divisors is an integer number (147729690).

Almost surely, 2^1071312847 is an apocalyptic number.

1071312847 is a deficient number, since it is larger than the sum of its proper divisors (110524673).

1071312847 is a wasteful number, since it uses less digits than its factorization.

1071312847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094393.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1071312847 is about 32730.9157678180. The cubic root of 1071312847 is about 1023.2272660305.

The spelling of 1071312847 in words is "one billion, seventy-one million, three hundred twelve thousand, eight hundred forty-seven".