842115 has 16 divisors (see below), whose sum is σ = 1391616. Its totient is φ = 434400.

The previous prime is 842113. The next prime is 842141. The reversal of 842115 is 511248.

842115 is nontrivially palindromic in base 14.

842115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842115 - 2¹ = 842113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 842091 and 842100.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (86976).

2⁸⁴²¹¹⁵ is an apocalyptic number.

842115 is a deficient number, since it is larger than the sum of its proper divisors (549501).

842115 is a wasteful number, since it uses less digits than its factorization.

842115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850.

The product of its digits is 320, while the sum is 21.

The square root of 842115 is about 917.6682407058. The cubic root of 842115 is about 94.4330030995.

The spelling of 842115 in words is "eight hundred forty-two thousand, one hundred fifteen".