82120303 has 2 divisors, whose sum is σ = 82120304. Its totient is φ = 82120302.

The previous prime is 82120301. The next prime is 82120309. The reversal of 82120303 is 30302128.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82120303 - 2¹ = 82120301 is a prime.

Together with 82120301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41060151 + 41060152.

It is an arithmetic number, because the mean of its divisors is an integer number (41060152).

Almost surely, 2^82120303 is an apocalyptic number.

82120303 is a deficient number, since it is larger than the sum of its proper divisors (1).

82120303 is an equidigital number, since it uses as much as digits as its factorization.

82120303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 82120303 is about 9062.0253254998. The cubic root of 82120303 is about 434.6605057993.

The spelling of 82120303 in words is "eighty-two million, one hundred twenty thousand, three hundred three".