10203107 has 4 divisors (see below), whose sum is σ = 10326120. Its totient is φ = 10080096.

The previous prime is 10203103. The next prime is 10203113. The reversal of 10203107 is 70130201.

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

It is a cyclic number.

It is not a de Polignac number, because 10203107 - 2² = 10203103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203091 and 10203100.

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 3 ways as a sum of consecutive naturals, for example, 61382 + ... + 61547.

It is an arithmetic number, because the mean of its divisors is an integer number (2581530).

Almost surely, 2^10203107 is an apocalyptic number.

10203107 is a deficient number, since it is larger than the sum of its proper divisors (123013).

10203107 is an equidigital number, since it uses as much as digits as its factorization.

10203107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123012.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 10203107 is about 3194.2302672162. The cubic root of 10203107 is about 216.8923064198.

Adding to 10203107 its reverse (70130201), we get a palindrome (80333308).

The spelling of 10203107 in words is "ten million, two hundred three thousand, one hundred seven".