105220127 has 2 divisors, whose sum is σ = 105220128. Its totient is φ = 105220126.

The previous prime is 105220111. The next prime is 105220133. The reversal of 105220127 is 721022501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105220127 - 2⁴ = 105220111 is a prime.

It is a super-2 number, since 2×105220127² = 22142550251792258, 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 = 105220099 and 105220108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105220177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52610063 + 52610064.

It is an arithmetic number, because the mean of its divisors is an integer number (52610064).

Almost surely, 2^105220127 is an apocalyptic number.

105220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

105220127 is an equidigital number, since it uses as much as digits as its factorization.

105220127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 105220127 is about 10257.6862400836. The cubic root of 105220127 is about 472.0988478578.

Adding to 105220127 its reverse (721022501), we get a palindrome (826242628).

The spelling of 105220127 in words is "one hundred five million, two hundred twenty thousand, one hundred twenty-seven".