2103107 has 2 divisors, whose sum is σ = 2103108. Its totient is φ = 2103106.

The previous prime is 2103103. The next prime is 2103119. The reversal of 2103107 is 7013012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2103107 - 2² = 2103103 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2103091 and 2103100.

It is not a weakly prime, because it can be changed into another prime (2103103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051553 + 1051554.

It is an arithmetic number, because the mean of its divisors is an integer number (1051554).

2^2103107 is an apocalyptic number.

2103107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103107 is an equidigital number, since it uses as much as digits as its factorization.

2103107 is an evil number, because the sum of its binary digits is even.

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

The square root of 2103107 is about 1450.2092952398. The cubic root of 2103107 is about 128.1210402901.

Adding to 2103107 its reverse (7013012), we get a palindrome (9116119).

The spelling of 2103107 in words is "two million, one hundred three thousand, one hundred seven".