180871227 has 6 divisors (see below), whose sum is σ = 261258452. Its totient is φ = 120580812.

The previous prime is 180871217. The next prime is 180871247. The reversal of 180871227 is 722178081.

It is a happy number.

It is not a de Polignac number, because 180871227 - 2¹⁰ = 180870203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180871191 and 180871200.

It is not an unprimeable number, because it can be changed into a prime (180871217) 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, 10048393 + ... + 10048410.

Almost surely, 2^180871227 is an apocalyptic number.

180871227 is a deficient number, since it is larger than the sum of its proper divisors (80387225).

180871227 is a wasteful number, since it uses less digits than its factorization.

180871227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096809 (or 20096806 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 180871227 is about 13448.8373846961. The cubic root of 180871227 is about 565.5311026616.

The spelling of 180871227 in words is "one hundred eighty million, eight hundred seventy-one thousand, two hundred twenty-seven".