10120805 has 8 divisors (see below), whose sum is σ = 12673152. Its totient is φ = 7744528.

The previous prime is 10120783. The next prime is 10120807. The reversal of 10120805 is 50802101.

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 10120805 - 2⁶ = 10120741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120807) by changing a digit.

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, 43889 + ... + 44118.

It is an arithmetic number, because the mean of its divisors is an integer number (1584144).

Almost surely, 2^10120805 is an apocalyptic number.

It is an amenable number.

10120805 is a deficient number, since it is larger than the sum of its proper divisors (2552347).

10120805 is an equidigital number, since it uses as much as digits as its factorization.

10120805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88035.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10120805 is about 3181.3212663923. The cubic root of 10120805 is about 216.3075537055.

Adding to 10120805 its reverse (50802101), we get a palindrome (60922906).

The spelling of 10120805 in words is "ten million, one hundred twenty thousand, eight hundred five".