1000730871 has 72 divisors (see below), whose sum is σ = 1761896448. Its totient is φ = 545076000.

The previous prime is 1000730837. The next prime is 1000730879. The reversal of 1000730871 is 1780370001.

It is not a de Polignac number, because 1000730871 - 2⁶ = 1000730807 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000730879) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 970126 + ... + 971156.

It is an arithmetic number, because the mean of its divisors is an integer number (24470784).

Almost surely, 2^1000730871 is an apocalyptic number.

1000730871 is a deficient number, since it is larger than the sum of its proper divisors (761165577).

1000730871 is a wasteful number, since it uses less digits than its factorization.

1000730871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1000730871 is about 31634.3305761320. The cubic root of 1000730871 is about 1000.2435643383.

The spelling of 1000730871 in words is "one billion, seven hundred thirty thousand, eight hundred seventy-one".