2921103 has 14 divisors (see below), whose sum is σ = 4380744. Its totient is φ = 1946916.

The previous prime is 2921089. The next prime is 2921111. The reversal of 2921103 is 3011292.

It is a happy number.

2921103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2921103 - 2⁹ = 2920591 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1275 + ... + 2732.

2^2921103 is an apocalyptic number.

2921103 is a deficient number, since it is larger than the sum of its proper divisors (1459641).

2921103 is an frugal number, since it uses more digits than its factorization.

2921103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4010 counting only the distinct ones).

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

The square root of 2921103 is about 1709.1234595546. The cubic root of 2921103 is about 142.9493846654.

Adding to 2921103 its reverse (3011292), we get a palindrome (5932395).

The spelling of 2921103 in words is "two million, nine hundred twenty-one thousand, one hundred three".