8121450227 has 16 divisors (see below), whose sum is σ = 9003046752. Its totient is φ = 7264619520.

The previous prime is 8121450217. The next prime is 8121450247. The reversal of 8121450227 is 7220541218.

It is a cyclic number.

It is not a de Polignac number, because 8121450227 - 2⁶ = 8121450163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8121450193 and 8121450202.

It is not an unprimeable number, because it can be changed into a prime (8121450217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162593 + ... + 206589.

It is an arithmetic number, because the mean of its divisors is an integer number (562690422).

Almost surely, 2^8121450227 is an apocalyptic number.

8121450227 is a deficient number, since it is larger than the sum of its proper divisors (881596525).

8121450227 is a wasteful number, since it uses less digits than its factorization.

8121450227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44278.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 8121450227 is about 90119.0891376516. The cubic root of 8121450227 is about 2010.0700640577.

Subtracting from 8121450227 its reverse (7220541218), we obtain a palindrome (900909009).

The spelling of 8121450227 in words is "eight billion, one hundred twenty-one million, four hundred fifty thousand, two hundred twenty-seven".