11123907 has 12 divisors (see below), whose sum is σ = 15364440. Its totient is φ = 7158592.

The previous prime is 11123887. The next prime is 11123923. The reversal of 11123907 is 70932111.

11123907 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11123907 - 2¹⁰ = 11122883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (1280370).

Almost surely, 2^11123907 is an apocalyptic number.

11123907 is a deficient number, since it is larger than the sum of its proper divisors (4240533).

11123907 is an equidigital number, since it uses as much as digits as its factorization.

11123907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4441 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 11123907 is about 3335.2521643798. The cubic root of 11123907 is about 223.2299437287.

The spelling of 11123907 in words is "eleven million, one hundred twenty-three thousand, nine hundred seven".