105049805 has 8 divisors (see below), whose sum is σ = 144068352. Its totient is φ = 72034128.

The previous prime is 105049787. The next prime is 105049807. The reversal of 105049805 is 508940501.

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 105049805 - 2⁶ = 105049741 is a prime.

It is a super-2 number, since 2×105049805² = 22070923061076050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105049807) 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, 1500677 + ... + 1500746.

It is an arithmetic number, because the mean of its divisors is an integer number (18008544).

Almost surely, 2^105049805 is an apocalyptic number.

It is an amenable number.

105049805 is a deficient number, since it is larger than the sum of its proper divisors (39018547).

105049805 is an equidigital number, since it uses as much as digits as its factorization.

105049805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001435.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 105049805 is about 10249.3807129992. The cubic root of 105049805 is about 471.8439782246.

The spelling of 105049805 in words is "one hundred five million, forty-nine thousand, eight hundred five".