1123894 has 4 divisors (see below), whose sum is σ = 1685844. Its totient is φ = 561946.

The previous prime is 1123883. The next prime is 1123897. The reversal of 1123894 is 4983211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280972 + ... + 280975.

It is an arithmetic number, because the mean of its divisors is an integer number (421461).

2^1123894 is an apocalyptic number.

1123894 is a deficient number, since it is larger than the sum of its proper divisors (561950).

1123894 is an equidigital number, since it uses as much as digits as its factorization.

1123894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561949.

The product of its digits is 1728, while the sum is 28.

The square root of 1123894 is about 1060.1386701748. The cubic root of 1123894 is about 103.9700974189.

The spelling of 1123894 in words is "one million, one hundred twenty-three thousand, eight hundred ninety-four".