9871227 has 10 divisors (see below), whose sum is σ = 14746028. Its totient is φ = 6580764.

The previous prime is 9871219. The next prime is 9871229. The reversal of 9871227 is 7221789.

It is not a de Polignac number, because 9871227 - 2³ = 9871219 is a prime.

It is a super-2 number, since 2×9871227² = 194882244971058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9871191 and 9871200.

It is not an unprimeable number, because it can be changed into a prime (9871229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60853 + ... + 61014.

Almost surely, 2^9871227 is an apocalyptic number.

9871227 is a deficient number, since it is larger than the sum of its proper divisors (4874801).

9871227 is a wasteful number, since it uses less digits than its factorization.

9871227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121879 (or 121870 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 9871227 is about 3141.8508876139. The cubic root of 9871227 is about 214.5146940885.

The spelling of 9871227 in words is "nine million, eight hundred seventy-one thousand, two hundred twenty-seven".