105130505 has 8 divisors (see below), whose sum is σ = 129566472. Its totient is φ = 81831168.

The previous prime is 105130483. The next prime is 105130523. The reversal of 105130505 is 505031501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12759184 + 92371321 = 3572^2 + 9611^2 .

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 105130505 - 2²² = 100936201 is a prime.

It is a super-2 number, since 2×105130505² = 22104846163110050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283952 + ... + 284321.

It is an arithmetic number, because the mean of its divisors is an integer number (16195809).

Almost surely, 2^105130505 is an apocalyptic number.

It is an amenable number.

105130505 is a deficient number, since it is larger than the sum of its proper divisors (24435967).

105130505 is an equidigital number, since it uses as much as digits as its factorization.

105130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568315.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 105130505 is about 10253.3167804374. The cubic root of 105130505 is about 471.9647719207.

The spelling of 105130505 in words is "one hundred five million, one hundred thirty thousand, five hundred five".