105340827 has 4 divisors (see below), whose sum is σ = 140454440. Its totient is φ = 70227216.

The previous prime is 105340819. The next prime is 105340843. The reversal of 105340827 is 728043501.

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

It is not a de Polignac number, because 105340827 - 2³ = 105340819 is a prime.

It is a super-2 number, since 2×105340827² = 22193379666087858, 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 = 105340794 and 105340803.

It is not an unprimeable number, because it can be changed into a prime (105340867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17556802 + ... + 17556807.

It is an arithmetic number, because the mean of its divisors is an integer number (35113610).

Almost surely, 2^105340827 is an apocalyptic number.

105340827 is a deficient number, since it is larger than the sum of its proper divisors (35113613).

105340827 is an equidigital number, since it uses as much as digits as its factorization.

105340827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35113612.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 105340827 is about 10263.5679468692. The cubic root of 105340827 is about 472.2792967191.

The spelling of 105340827 in words is "one hundred five million, three hundred forty thousand, eight hundred twenty-seven".