105597243 has 8 divisors (see below), whose sum is σ = 156440400. Its totient is φ = 70398144.

The previous prime is 105597241. The next prime is 105597287. The reversal of 105597243 is 342795501.

It is not a de Polignac number, because 105597243 - 2¹ = 105597241 is a prime.

It is a super-2 number, since 2×105597243² = 22301555458402098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105597198 and 105597207.

It is not an unprimeable number, because it can be changed into a prime (105597241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955478 + ... + 1955531.

It is an arithmetic number, because the mean of its divisors is an integer number (19555050).

Almost surely, 2^105597243 is an apocalyptic number.

105597243 is a deficient number, since it is larger than the sum of its proper divisors (50843157).

105597243 is an equidigital number, since it uses as much as digits as its factorization.

105597243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911018 (or 3911012 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 105597243 is about 10276.0519169572. The cubic root of 105597243 is about 472.6621867011.

The spelling of 105597243 in words is "one hundred five million, five hundred ninety-seven thousand, two hundred forty-three".