11912103 has 48 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 6617376.

The previous prime is 11912101. The next prime is 11912111. The reversal of 11912103 is 30121911.

It is not a de Polignac number, because 11912103 - 2¹ = 11912101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11912101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79873 + ... + 80021.

It is an arithmetic number, because the mean of its divisors is an integer number (436800).

Almost surely, 2^11912103 is an apocalyptic number.

11912103 is a deficient number, since it is larger than the sum of its proper divisors (9054297).

11912103 is an equidigital number, since it uses as much as digits as its factorization.

11912103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 11912103 is about 3451.3914585280. The cubic root of 11912103 is about 228.3824950827.

The spelling of 11912103 in words is "eleven million, nine hundred twelve thousand, one hundred three".