2112903 has 12 divisors (see below), whose sum is σ = 3286920. Its totient is φ = 1300176.

The previous prime is 2112893. The next prime is 2112919. The reversal of 2112903 is 3092112.

It is a happy number.

It is not a de Polignac number, because 2112903 - 2⁵ = 2112871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8913 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (273910).

2^2112903 is an apocalyptic number.

2112903 is a deficient number, since it is larger than the sum of its proper divisors (1174017).

2112903 is a wasteful number, since it uses less digits than its factorization.

2112903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078 (or 18075 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2112903 is about 1453.5828149782. The cubic root of 2112903 is about 128.3196559701.

The spelling of 2112903 in words is "two million, one hundred twelve thousand, nine hundred three".