850118 has 4 divisors (see below), whose sum is σ = 1275180. Its totient is φ = 425058.

The previous prime is 850093. The next prime is 850121. The reversal of 850118 is 811058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811058 = 2 ⋅405529.

It is a super-2 number, since 2×850118² = 1445401227848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 850093 and 850102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212528 + ... + 212531.

It is an arithmetic number, because the mean of its divisors is an integer number (318795).

2⁸⁵⁰¹¹⁸ is an apocalyptic number.

850118 is a deficient number, since it is larger than the sum of its proper divisors (425062).

850118 is a wasteful number, since it uses less digits than its factorization.

850118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425061.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 850118 is about 922.0184379935. The cubic root of 850118 is about 94.7312069531.

Subtracting from 850118 its reverse (811058), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 850118 in words is "eight hundred fifty thousand, one hundred eighteen".