105422125 has 8 divisors (see below), whose sum is σ = 131566968. Its totient is φ = 84337600.

The previous prime is 105422123. The next prime is 105422137. The reversal of 105422125 is 521224501.

It can be written as a sum of positive squares in 4 ways, for example, as 298116 + 105124009 = 546^2 + 10253^2 .

It is not a de Polignac number, because 105422125 - 2¹ = 105422123 is a prime.

It is a super-2 number, since 2×105422125² = 22227648879031250, 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 = 105422096 and 105422105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105422123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421564 + ... + 421813.

It is an arithmetic number, because the mean of its divisors is an integer number (16445871).

Almost surely, 2^105422125 is an apocalyptic number.

It is an amenable number.

105422125 is a deficient number, since it is larger than the sum of its proper divisors (26144843).

105422125 is an frugal number, since it uses more digits than its factorization.

105422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843392 (or 843382 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 105422125 is about 10267.5276965782. The cubic root of 105422125 is about 472.4007611447.

Adding to 105422125 its reverse (521224501), we get a palindrome (626646626).

The spelling of 105422125 in words is "one hundred five million, four hundred twenty-two thousand, one hundred twenty-five".