105212265 has 8 divisors (see below), whose sum is σ = 168339648. Its totient is φ = 56113200.

The previous prime is 105212249. The next prime is 105212299. The reversal of 105212265 is 562212501.

It is a happy number.

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

It is not a de Polignac number, because 105212265 - 2⁴ = 105212249 is a prime.

It is a super-2 number, since 2×105212265² = 22139241412860450, 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, 3507061 + ... + 3507090.

It is an arithmetic number, because the mean of its divisors is an integer number (21042456).

Almost surely, 2^105212265 is an apocalyptic number.

105212265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105212265 is a deficient number, since it is larger than the sum of its proper divisors (63127383).

105212265 is an equidigital number, since it uses as much as digits as its factorization.

105212265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014159.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105212265 is about 10257.3030081011. The cubic root of 105212265 is about 472.0870892279.

Adding to 105212265 its reverse (562212501), we get a palindrome (667424766).

The spelling of 105212265 in words is "one hundred five million, two hundred twelve thousand, two hundred sixty-five".