2859121 has 2 divisors, whose sum is σ = 2859122. Its totient is φ = 2859120.

The previous prime is 2859097. The next prime is 2859133. The reversal of 2859121 is 1219582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2852721 + 6400 = 1689^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 2859121 - 2¹¹ = 2857073 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2859121.

It is not a weakly prime, because it can be changed into another prime (2853121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429560 + 1429561.

It is an arithmetic number, because the mean of its divisors is an integer number (1429561).

2^2859121 is an apocalyptic number.

It is an amenable number.

2859121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859121 is an equidigital number, since it uses as much as digits as its factorization.

2859121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2859121 is about 1690.8935507595. The cubic root of 2859121 is about 141.9310814145.

The spelling of 2859121 in words is "two million, eight hundred fifty-nine thousand, one hundred twenty-one".