10203105 has 16 divisors (see below), whose sum is σ = 17809344. Its totient is φ = 4946880.

The previous prime is 10203103. The next prime is 10203113. The reversal of 10203105 is 50130201.

It is not a de Polignac number, because 10203105 - 2¹ = 10203103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10203101) 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, 30754 + ... + 31083.

It is an arithmetic number, because the mean of its divisors is an integer number (1113084).

Almost surely, 2^10203105 is an apocalyptic number.

10203105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10203105 is a deficient number, since it is larger than the sum of its proper divisors (7606239).

10203105 is a wasteful number, since it uses less digits than its factorization.

10203105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61856.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 10203105 is about 3194.2299541517. The cubic root of 10203105 is about 216.8922922482.

Adding to 10203105 its reverse (50130201), we get a palindrome (60333306).

The spelling of 10203105 in words is "ten million, two hundred three thousand, one hundred five".