842119 has 4 divisors (see below), whose sum is σ = 846720. Its totient is φ = 837520.

The previous prime is 842113. The next prime is 842141. The reversal of 842119 is 911248.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 842119 - 2³ = 842111 is a prime.

It is a super-2 number, since 2×842119² = 1418328820322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842093 and 842102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842111) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2014 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2⁸⁴²¹¹⁹ is an apocalyptic number.

842119 is a deficient number, since it is larger than the sum of its proper divisors (4601).

842119 is a wasteful number, since it uses less digits than its factorization.

842119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600.

The product of its digits is 576, while the sum is 25.

The square root of 842119 is about 917.6704201400. The cubic root of 842119 is about 94.4331526164.

It can be divided in two parts, 842 and 119, that added together give a square (961 = 31²).

The spelling of 842119 in words is "eight hundred forty-two thousand, one hundred nineteen".