2120299 has 4 divisors (see below), whose sum is σ = 2155120. Its totient is φ = 2085480.

The previous prime is 2120297. The next prime is 2120303. The reversal of 2120299 is 9920212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120299 - 2¹ = 2120297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120297) 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, 17319 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (538780).

2^2120299 is an apocalyptic number.

2120299 is a deficient number, since it is larger than the sum of its proper divisors (34821).

2120299 is an equidigital number, since it uses as much as digits as its factorization.

2120299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34820.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2120299 is about 1456.1246512576. The cubic root of 2120299 is about 128.4692048720.

The spelling of 2120299 in words is "two million, one hundred twenty thousand, two hundred ninety-nine".