10203073 has 4 divisors (see below), whose sum is σ = 10271700. Its totient is φ = 10134448.

The previous prime is 10203071. The next prime is 10203097. The reversal of 10203073 is 37030201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 6235009 = 1992^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203073 - 2¹ = 10203071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34090 + ... + 34387.

It is an arithmetic number, because the mean of its divisors is an integer number (2567925).

Almost surely, 2^10203073 is an apocalyptic number.

It is an amenable number.

10203073 is a deficient number, since it is larger than the sum of its proper divisors (68627).

10203073 is an equidigital number, since it uses as much as digits as its factorization.

10203073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68626.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 10203073 is about 3194.2249451158. The cubic root of 10203073 is about 216.8920655015.

Adding to 10203073 its reverse (37030201), we get a palindrome (47233274).

The spelling of 10203073 in words is "ten million, two hundred three thousand, seventy-three".