2120579 has 2 divisors, whose sum is σ = 2120580.
Its totient is φ = 2120578.
The previous prime is 2120551. The next prime is 2120611. The reversal of 2120579 is 9750212.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2120579 is a prime.
It is not a weakly prime, because it can be changed into another prime (2120549) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060289 + 1060290.
It is an arithmetic number, because the mean of its divisors is an integer number (1060290).
22120579 is an apocalyptic number.
2120579 is a deficient number, since it is larger than the sum of its proper divisors (1).
2120579 is an equidigital number, since it uses as much as digits as its factorization.
2120579 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 2120579 is about 1456.2207936985.
The cubic root of 2120579 is about 128.4748597025.
The spelling of 2120579 in words is "two million, one hundred twenty thousand, five hundred seventy-nine".