10123205 has 16 divisors (see below), whose sum is σ = 12638208. Its totient is φ = 7776000.

The previous prime is 10123199. The next prime is 10123207. The reversal of 10123205 is 50232101.

It is a happy number.

10123205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10123205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37220 + ... + 37490.

It is an arithmetic number, because the mean of its divisors is an integer number (789888).

Almost surely, 2^10123205 is an apocalyptic number.

It is an amenable number.

10123205 is a deficient number, since it is larger than the sum of its proper divisors (2515003).

10123205 is a wasteful number, since it uses less digits than its factorization.

10123205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10123205 is about 3181.6984457990. The cubic root of 10123205 is about 216.3246504055.

Adding to 10123205 its reverse (50232101), we get a palindrome (60355306).

The spelling of 10123205 in words is "ten million, one hundred twenty-three thousand, two hundred five".