680175122 has 12 divisors (see below), whose sum is σ = 1121446158. Its totient is φ = 309170400.

The previous prime is 680175109. The next prime is 680175127. The reversal of 680175122 is 221571086.

It can be written as a sum of positive squares in only one way, i.e., 419061841 + 261113281 = 20471^2 + 16159^2 .

It is not an unprimeable number, because it can be changed into a prime (680175127) 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 5 ways as a sum of consecutive naturals, for example, 1405079 + ... + 1405562.

Almost surely, 2^680175122 is an apocalyptic number.

680175122 is a deficient number, since it is larger than the sum of its proper divisors (441271036).

680175122 is a wasteful number, since it uses less digits than its factorization.

680175122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810665 (or 2810654 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 680175122 is about 26080.1672157216. The cubic root of 680175122 is about 879.4414163451.

The spelling of 680175122 in words is "six hundred eighty million, one hundred seventy-five thousand, one hundred twenty-two".