2103147 has 6 divisors (see below), whose sum is σ = 3037892. Its totient is φ = 1402092.

The previous prime is 2103139. The next prime is 2103149. The reversal of 2103147 is 7413012.

It is not a de Polignac number, because 2103147 - 2³ = 2103139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116833 + ... + 116850.

2^2103147 is an apocalyptic number.

2103147 is a deficient number, since it is larger than the sum of its proper divisors (934745).

2103147 is a wasteful number, since it uses less digits than its factorization.

2103147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233689 (or 233686 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2103147 is about 1450.2230862871. The cubic root of 2103147 is about 128.1218525501.

Adding to 2103147 its reverse (7413012), we get a palindrome (9516159).

The spelling of 2103147 in words is "two million, one hundred three thousand, one hundred forty-seven".