872141 has 2 divisors, whose sum is σ = 872142. Its totient is φ = 872140.

The previous prime is 872129. The next prime is 872143. The reversal of 872141 is 141278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 184900 = 829^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 872141 - 2⁶ = 872077 is a prime.

Together with 872143, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436070 + 436071.

It is an arithmetic number, because the mean of its divisors is an integer number (436071).

2⁸⁷²¹⁴¹ is an apocalyptic number.

It is an amenable number.

872141 is a deficient number, since it is larger than the sum of its proper divisors (1).

872141 is an equidigital number, since it uses as much as digits as its factorization.

872141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 872141 is about 933.8848965477. The cubic root of 872141 is about 95.5422727065.

The spelling of 872141 in words is "eight hundred seventy-two thousand, one hundred forty-one".