1117853 has 8 divisors (see below), whose sum is σ = 1229376. Its totient is φ = 1008000.

The previous prime is 1117819. The next prime is 1117861. The reversal of 1117853 is 3587111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1117853 - 2¹⁸ = 855709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (153672).

2^1117853 is an apocalyptic number.

It is an amenable number.

1117853 is a deficient number, since it is larger than the sum of its proper divisors (111523).

1117853 is a wasteful number, since it uses less digits than its factorization.

1117853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 840, while the sum is 26.

The square root of 1117853 is about 1057.2856756809. The cubic root of 1117853 is about 103.7834807510.

The spelling of 1117853 in words is "one million, one hundred seventeen thousand, eight hundred fifty-three".