2872135 has 24 divisors (see below), whose sum is σ = 4227120. Its totient is φ = 1862784.

The previous prime is 2872109. The next prime is 2872139. The reversal of 2872135 is 5312782.

2872135 = T₇₀ + T₇₁ + ... + T₂₅₉.

It is not a de Polignac number, because 2872135 - 2⁷ = 2872007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4347 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (176130).

2^2872135 is an apocalyptic number.

2872135 is a deficient number, since it is larger than the sum of its proper divisors (1354985).

2872135 is a wasteful number, since it uses less digits than its factorization.

2872135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 648 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 2872135 is about 1694.7374427917. The cubic root of 2872135 is about 142.1461003732.

The spelling of 2872135 in words is "two million, eight hundred seventy-two thousand, one hundred thirty-five".