9112147 has 6 divisors (see below), whose sum is σ = 10015964. Its totient is φ = 8283660.

The previous prime is 9112141. The next prime is 9112157. The reversal of 9112147 is 7412119.

It is not a de Polignac number, because 9112147 - 2¹⁵ = 9079379 is a prime.

It is an Ulam number.

It is a Duffinian number.

9112147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9112141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37533 + ... + 37774.

Almost surely, 2^9112147 is an apocalyptic number.

9112147 is a deficient number, since it is larger than the sum of its proper divisors (903817).

9112147 is a wasteful number, since it uses less digits than its factorization.

9112147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75329 (or 75318 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The square root of 9112147 is about 3018.6333000217. The cubic root of 9112147 is about 208.8688003899.

The spelling of 9112147 in words is "nine million, one hundred twelve thousand, one hundred forty-seven".