1071884065 has 48 divisors (see below), whose sum is σ = 1570157568. Its totient is φ = 699076224.

The previous prime is 1071884057. The next prime is 1071884071. The reversal of 1071884065 is 5604881701.

It is not a de Polignac number, because 1071884065 - 2³ = 1071884057 is a prime.

It is a super-2 number, since 2×1071884065² = 2297870897601848450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1256179 + ... + 1257031.

It is an arithmetic number, because the mean of its divisors is an integer number (32711616).

Almost surely, 2^1071884065 is an apocalyptic number.

It is an amenable number.

1071884065 is a deficient number, since it is larger than the sum of its proper divisors (498273503).

1071884065 is a wasteful number, since it uses less digits than its factorization.

1071884065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1071884065 is about 32739.6405753026. The cubic root of 1071884065 is about 1023.4090933972.

The spelling of 1071884065 in words is "one billion, seventy-one million, eight hundred eighty-four thousand, sixty-five".