105417943 has 4 divisors (see below), whose sum is σ = 107146168. Its totient is φ = 103689720.

The previous prime is 105417941. The next prime is 105417953. The reversal of 105417943 is 349714501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349714501 = 389 ⋅899009.

It is a cyclic number.

It is not a de Polignac number, because 105417943 - 2¹ = 105417941 is a prime.

It is a super-2 number, since 2×105417943² = 22225885412702498, 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 = 105417899 and 105417908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105417941) 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 3 ways as a sum of consecutive naturals, for example, 864021 + ... + 864142.

It is an arithmetic number, because the mean of its divisors is an integer number (26786542).

Almost surely, 2^105417943 is an apocalyptic number.

105417943 is a deficient number, since it is larger than the sum of its proper divisors (1728225).

105417943 is an equidigital number, since it uses as much as digits as its factorization.

105417943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728224.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 105417943 is about 10267.3240428069. The cubic root of 105417943 is about 472.3945144923.

The spelling of 105417943 in words is "one hundred five million, four hundred seventeen thousand, nine hundred forty-three".