105140227 has 2 divisors, whose sum is σ = 105140228. Its totient is φ = 105140226.

The previous prime is 105140209. The next prime is 105140261. The reversal of 105140227 is 722041501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (722041501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105140227 - 2⁷ = 105140099 is a prime.

It is a super-2 number, since 2×105140227² = 22108934667223058, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105140198 and 105140207.

It is not a weakly prime, because it can be changed into another prime (105140297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52570113 + 52570114.

It is an arithmetic number, because the mean of its divisors is an integer number (52570114).

Almost surely, 2^105140227 is an apocalyptic number.

105140227 is a deficient number, since it is larger than the sum of its proper divisors (1).

105140227 is an equidigital number, since it uses as much as digits as its factorization.

105140227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 105140227 is about 10253.7908599698. The cubic root of 105140227 is about 471.9793198710.

Adding to 105140227 its reverse (722041501), we get a palindrome (827181728).

The spelling of 105140227 in words is "one hundred five million, one hundred forty thousand, two hundred twenty-seven".