105351215 has 8 divisors (see below), whose sum is σ = 127725360. Its totient is φ = 83411712.

The previous prime is 105351203. The next prime is 105351241. The reversal of 105351215 is 512153501.

It is a happy number.

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 105351215 - 2¹⁰ = 105350191 is a prime.

It is a super-2 number, since 2×105351215² = 22197757003952450, which contains 22 as substring.

It is a congruent number.

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, 108125 + ... + 109094.

It is an arithmetic number, because the mean of its divisors is an integer number (15965670).

Almost surely, 2^105351215 is an apocalyptic number.

105351215 is a deficient number, since it is larger than the sum of its proper divisors (22374145).

105351215 is an equidigital number, since it uses as much as digits as its factorization.

105351215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217321.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105351215 is about 10264.0739962259. The cubic root of 105351215 is about 472.2948205390.

The spelling of 105351215 in words is "one hundred five million, three hundred fifty-one thousand, two hundred fifteen".