105027427 has 4 divisors (see below), whose sum is σ = 105783160. Its totient is φ = 104271696.

The previous prime is 105027413. The next prime is 105027431. The reversal of 105027427 is 724720501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105027427 is a prime.

It is a super-2 number, since 2×105027427² = 22061520844480658, 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 = 105027395 and 105027404.

It is not an unprimeable number, because it can be changed into a prime (105027437) 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, 377658 + ... + 377935.

It is an arithmetic number, because the mean of its divisors is an integer number (26445790).

Almost surely, 2^105027427 is an apocalyptic number.

105027427 is a deficient number, since it is larger than the sum of its proper divisors (755733).

105027427 is an equidigital number, since it uses as much as digits as its factorization.

105027427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755732.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 105027427 is about 10248.2889791418. The cubic root of 105027427 is about 471.8104713422.

Adding to 105027427 its reverse (724720501), we get a palindrome (829747928).

The spelling of 105027427 in words is "one hundred five million, twenty-seven thousand, four hundred twenty-seven".