680537122 has 8 divisors (see below), whose sum is σ = 1021128876. Its totient is φ = 340160832.

The previous prime is 680537101. The next prime is 680537153. The reversal of 680537122 is 221735086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 491996761 + 188540361 = 22181^2 + 13731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45723 + ... + 58750.

Almost surely, 2^680537122 is an apocalyptic number.

680537122 is a deficient number, since it is larger than the sum of its proper divisors (340591754).

680537122 is a wasteful number, since it uses less digits than its factorization.

680537122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107732.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 680537122 is about 26087.1064321055. The cubic root of 680537122 is about 879.5974062369.

The spelling of 680537122 in words is "six hundred eighty million, five hundred thirty-seven thousand, one hundred twenty-two".