680001101 has 4 divisors (see below), whose sum is σ = 732308892. Its totient is φ = 627693312.

The previous prime is 680001083. The next prime is 680001149. The reversal of 680001101 is 101100086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30261001 + 649740100 = 5501^2 + 25490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680001101 is a prime.

It is a super-2 number, since 2×680001101² = 924802994722424402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26153876 + ... + 26153901.

It is an arithmetic number, because the mean of its divisors is an integer number (183077223).

Almost surely, 2^680001101 is an apocalyptic number.

It is an amenable number.

680001101 is a deficient number, since it is larger than the sum of its proper divisors (52307791).

680001101 is a wasteful number, since it uses less digits than its factorization.

680001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52307790.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 680001101 is about 26076.8307315134. The cubic root of 680001101 is about 879.3664090303.

Adding to 680001101 its reverse (101100086), we get a palindrome (781101187).

The spelling of 680001101 in words is "six hundred eighty million, one thousand, one hundred one".