872135 has 16 divisors (see below), whose sum is σ = 1160352. Its totient is φ = 624000.

The previous prime is 872129. The next prime is 872141. The reversal of 872135 is 531278.

It is an interprime number because it is at equal distance from previous prime (872129) and next prime (872141).

It is not a de Polignac number, because 872135 - 2⁶ = 872071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5477 + ... + 5633.

It is an arithmetic number, because the mean of its divisors is an integer number (72522).

2⁸⁷²¹³⁵ is an apocalyptic number.

872135 is a deficient number, since it is larger than the sum of its proper divisors (288217).

872135 is a wasteful number, since it uses less digits than its factorization.

872135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its digits is 1680, while the sum is 26.

The square root of 872135 is about 933.8816841549. The cubic root of 872135 is about 95.5420536078.

It can be divided in two parts, 87 and 2135, that multiplied together give a triangular number (185745 = T₆₀₉).

The spelling of 872135 in words is "eight hundred seventy-two thousand, one hundred thirty-five".