82113122 has 24 divisors (see below), whose sum is σ = 154302876. Its totient is φ = 32483808.

The previous prime is 82113121. The next prime is 82113127. The reversal of 82113122 is 22131128.

It can be written as a sum of positive squares in 2 ways, for example, as 57896881 + 24216241 = 7609^2 + 4921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82113094 and 82113103.

It is not an unprimeable number, because it can be changed into a prime (82113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30953 + ... + 33500.

Almost surely, 2^82113122 is an apocalyptic number.

82113122 is a deficient number, since it is larger than the sum of its proper divisors (72189754).

82113122 is a wasteful number, since it uses less digits than its factorization.

82113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64482 (or 64475 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 82113122 is about 9061.6291029814. The cubic root of 82113122 is about 434.6478358182.

The spelling of 82113122 in words is "eighty-two million, one hundred thirteen thousand, one hundred twenty-two".