2120799 has 16 divisors (see below), whose sum is σ = 3081600. Its totient is φ = 1292256.

The previous prime is 2120779. The next prime is 2120819. The reversal of 2120799 is 9970212.

2120799 = T₆₈₂ + T₆₈₃ + ... + T₆₉₀.

2120799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2120779) and next prime (2120819).

It is not a de Polignac number, because 2120799 - 2¹¹ = 2118751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (192600).

2^2120799 is an apocalyptic number.

2120799 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2120799 is a deficient number, since it is larger than the sum of its proper divisors (960801).

2120799 is a wasteful number, since it uses less digits than its factorization.

2120799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

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

The square root of 2120799 is about 1456.2963297351. The cubic root of 2120799 is about 128.4793024344.

The spelling of 2120799 in words is "two million, one hundred twenty thousand, seven hundred ninety-nine".