105428927 has 4 divisors (see below), whose sum is σ = 105455280. Its totient is φ = 105402576.

The previous prime is 105428879. The next prime is 105428969. The reversal of 105428927 is 729824501.

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

It is a cyclic number.

It is not a de Polignac number, because 105428927 - 2²⁶ = 38320063 is a prime.

It is a super-2 number, since 2×105428927² = 22230517296742658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105428627) 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, 5798 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (26363820).

Almost surely, 2^105428927 is an apocalyptic number.

105428927 is a deficient number, since it is larger than the sum of its proper divisors (26353).

105428927 is an equidigital number, since it uses as much as digits as its factorization.

105428927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26352.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 105428927 is about 10267.8589296893. The cubic root of 105428927 is about 472.4109209376.

The spelling of 105428927 in words is "one hundred five million, four hundred twenty-eight thousand, nine hundred twenty-seven".