11123894 has 4 divisors (see below), whose sum is σ = 16685844. Its totient is φ = 5561946.

The previous prime is 11123887. The next prime is 11123923. The reversal of 11123894 is 49832111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780972 + ... + 2780975.

It is an arithmetic number, because the mean of its divisors is an integer number (4171461).

Almost surely, 2^11123894 is an apocalyptic number.

11123894 is a deficient number, since it is larger than the sum of its proper divisors (5561950).

11123894 is an equidigital number, since it uses as much as digits as its factorization.

11123894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561949.

The product of its digits is 1728, while the sum is 29.

The square root of 11123894 is about 3335.2502155011. The cubic root of 11123894 is about 223.2298567692.

The spelling of 11123894 in words is "eleven million, one hundred twenty-three thousand, eight hundred ninety-four".