2125699 has 2 divisors, whose sum is σ = 2125700. Its totient is φ = 2125698.

The previous prime is 2125693. The next prime is 2125703. The reversal of 2125699 is 9965212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125699 - 2³ = 2125691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062849 + 1062850.

It is an arithmetic number, because the mean of its divisors is an integer number (1062850).

2^2125699 is an apocalyptic number.

2125699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125699 is an equidigital number, since it uses as much as digits as its factorization.

2125699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 2125699 is about 1457.9777090203. The cubic root of 2125699 is about 128.5781746607.

The spelling of 2125699 in words is "two million, one hundred twenty-five thousand, six hundred ninety-nine".