105442127 has 8 divisors (see below), whose sum is σ = 121860000. Its totient is φ = 89362944.

The previous prime is 105442111. The next prime is 105442151. The reversal of 105442127 is 721244501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105442127 - 2⁴ = 105442111 is a prime.

It is a super-2 number, since 2×105442127² = 22236084292568258, 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 = 105442096 and 105442105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105442427) 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, 84002 + ... + 85247.

It is an arithmetic number, because the mean of its divisors is an integer number (15232500).

Almost surely, 2^105442127 is an apocalyptic number.

105442127 is a deficient number, since it is larger than the sum of its proper divisors (16417873).

105442127 is an equidigital number, since it uses as much as digits as its factorization.

105442127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169345.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 105442127 is about 10268.5016920678. The cubic root of 105442127 is about 472.4306358429.

Adding to 105442127 its reverse (721244501), we get a palindrome (826686628).

The spelling of 105442127 in words is "one hundred five million, four hundred forty-two thousand, one hundred twenty-seven".