105424505 has 8 divisors (see below), whose sum is σ = 127931400. Its totient is φ = 83391616.

The previous prime is 105424457. The next prime is 105424511. The reversal of 105424505 is 505424501.

It can be written as a sum of positive squares in 4 ways, for example, as 3171961 + 102252544 = 1781^2 + 10112^2 .

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 105424505 - 2¹⁰ = 105423481 is a prime.

It is a super-2 number, since 2×105424505² = 22228652508990050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118010 + ... + 118899.

It is an arithmetic number, because the mean of its divisors is an integer number (15991425).

Almost surely, 2^105424505 is an apocalyptic number.

It is an amenable number.

105424505 is a deficient number, since it is larger than the sum of its proper divisors (22506895).

105424505 is an equidigital number, since it uses as much as digits as its factorization.

105424505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237003.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 105424505 is about 10267.6435952949. The cubic root of 105424505 is about 472.4043160764.

The spelling of 105424505 in words is "one hundred five million, four hundred twenty-four thousand, five hundred five".