2105603207 has 8 divisors (see below), whose sum is σ = 2130163920. Its totient is φ = 2081062720.

The previous prime is 2105603197. The next prime is 2105603267. The reversal of 2105603207 is 7023065012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105603207 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 (2105603267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335357 + ... + 341577.

It is an arithmetic number, because the mean of its divisors is an integer number (266270490).

Almost surely, 2^2105603207 is an apocalyptic number.

2105603207 is a deficient number, since it is larger than the sum of its proper divisors (24560713).

2105603207 is an equidigital number, since it uses as much as digits as its factorization.

2105603207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2105603207 is about 45886.8522237035. The cubic root of 2105603207 is about 1281.7170979784.

Adding to 2105603207 its reverse (7023065012), we get a palindrome (9128668219).

The spelling of 2105603207 in words is "two billion, one hundred five million, six hundred three thousand, two hundred seven".