2099127 has 4 divisors (see below), whose sum is σ = 2798840. Its totient is φ = 1399416.

The previous prime is 2099093. The next prime is 2099129. The reversal of 2099127 is 7219902.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2099127 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2099094 and 2099103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349852 + ... + 349857.

It is an arithmetic number, because the mean of its divisors is an integer number (699710).

2^2099127 is an apocalyptic number.

2099127 is a deficient number, since it is larger than the sum of its proper divisors (699713).

2099127 is an equidigital number, since it uses as much as digits as its factorization.

2099127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699712.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2099127 is about 1448.8364296911. The cubic root of 2099127 is about 128.0401688708.

The spelling of 2099127 in words is "two million, ninety-nine thousand, one hundred twenty-seven".