1117894 has 4 divisors (see below), whose sum is σ = 1676844. Its totient is φ = 558946.

The previous prime is 1117889. The next prime is 1117901. The reversal of 1117894 is 4987111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4987111 = 71 ⋅70241.

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, 279472 + ... + 279475.

It is an arithmetic number, because the mean of its divisors is an integer number (419211).

2^1117894 is an apocalyptic number.

1117894 is a deficient number, since it is larger than the sum of its proper divisors (558950).

1117894 is an equidigital number, since it uses as much as digits as its factorization.

1117894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558949.

The product of its digits is 2016, while the sum is 31.

The square root of 1117894 is about 1057.3050647755. The cubic root of 1117894 is about 103.7847495734.

The spelling of 1117894 in words is "one million, one hundred seventeen thousand, eight hundred ninety-four".