105943975 has 6 divisors (see below), whose sum is σ = 131370560. Its totient is φ = 84755160.

The previous prime is 105943973. The next prime is 105943997. The reversal of 105943975 is 579349501.

It is not a de Polignac number, because 105943975 - 2¹ = 105943973 is a prime.

It is a super-2 number, since 2×105943975² = 22448251677601250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105943973) 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 5 ways as a sum of consecutive naturals, for example, 2118855 + ... + 2118904.

Almost surely, 2^105943975 is an apocalyptic number.

105943975 is a deficient number, since it is larger than the sum of its proper divisors (25426585).

105943975 is an equidigital number, since it uses as much as digits as its factorization.

105943975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237769 (or 4237764 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 105943975 is about 10292.9089668567. The cubic root of 105943975 is about 473.1789554189.

The spelling of 105943975 in words is "one hundred five million, nine hundred forty-three thousand, nine hundred seventy-five".