105907243 has 4 divisors (see below), whose sum is σ = 114053968. Its totient is φ = 97760520.

The previous prime is 105907213. The next prime is 105907247. The reversal of 105907243 is 342709501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105907243 - 2⁵ = 105907211 is a prime.

It is a super-2 number, since 2×105907243² = 22432688239722098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105907247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073343 + ... + 4073368.

It is an arithmetic number, because the mean of its divisors is an integer number (28513492).

Almost surely, 2^105907243 is an apocalyptic number.

105907243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105907243 is a deficient number, since it is larger than the sum of its proper divisors (8146725).

105907243 is an equidigital number, since it uses as much as digits as its factorization.

105907243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146724.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 105907243 is about 10291.1244769461. The cubic root of 105907243 is about 473.1242635610.

The spelling of 105907243 in words is "one hundred five million, nine hundred seven thousand, two hundred forty-three".