11919103 has 12 divisors (see below), whose sum is σ = 13924872. Its totient is φ = 10172400.

The previous prime is 11919079. The next prime is 11919107. The reversal of 11919103 is 30191911.

It is not a de Polignac number, because 11919103 - 2⁵ = 11919071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16653 + ... + 17353.

It is an arithmetic number, because the mean of its divisors is an integer number (1160406).

Almost surely, 2^11919103 is an apocalyptic number.

11919103 is a deficient number, since it is larger than the sum of its proper divisors (2005769).

11919103 is an equidigital number, since it uses as much as digits as its factorization.

11919103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 11919103 is about 3452.4053933453. The cubic root of 11919103 is about 228.4272217057.

The spelling of 11919103 in words is "eleven million, nine hundred nineteen thousand, one hundred three".