105268939 has 2 divisors, whose sum is σ = 105268940. Its totient is φ = 105268938.

The previous prime is 105268909. The next prime is 105268957. The reversal of 105268939 is 939862501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105268939 - 2¹⁷ = 105137867 is a prime.

It is a super-2 number, since 2×105268939² = 22163099036371442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105268895 and 105268904.

It is not a weakly prime, because it can be changed into another prime (105268909) 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 as a sum of consecutive naturals, namely, 52634469 + 52634470.

It is an arithmetic number, because the mean of its divisors is an integer number (52634470).

Almost surely, 2^105268939 is an apocalyptic number.

105268939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105268939 is an equidigital number, since it uses as much as digits as its factorization.

105268939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 105268939 is about 10260.0652532038. The cubic root of 105268939 is about 472.1718393634.

The spelling of 105268939 in words is "one hundred five million, two hundred sixty-eight thousand, nine hundred thirty-nine".