9118971 has 12 divisors (see below), whose sum is σ = 13744848. Its totient is φ = 5814864.

The previous prime is 9118931. The next prime is 9118979. The reversal of 9118971 is 1798119.

It is not a de Polignac number, because 9118971 - 2¹¹ = 9116923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9118979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21820 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (1145404).

Almost surely, 2^9118971 is an apocalyptic number.

9118971 is a deficient number, since it is larger than the sum of its proper divisors (4625877).

9118971 is a wasteful number, since it uses less digits than its factorization.

9118971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44082 (or 44079 counting only the distinct ones).

The product of its digits is 4536, while the sum is 36.

The square root of 9118971 is about 3019.7634013280. The cubic root of 9118971 is about 208.9209273306.

The spelling of 9118971 in words is "nine million, one hundred eighteen thousand, nine hundred seventy-one".