1207688904601 has 9 divisors (see below), whose sum is σ = 1211561864149.
Its totient is φ = 1203828296764.
The previous prime is 1207688904563. The next prime is 1207688904701. The reversal of 1207688904601 is 1064098867021.
The square root of 1207688904601 is 1098949.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 1207688904601 - 27 = 1207688904473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1207688904701) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 381333720 + ... + 381336886.
Almost surely, 21207688904601 is an apocalyptic number.
1207688904601 is the 1098949-th square number.
1207688904601 is the 549475-th centered octagonal number.
It is an amenable number.
1207688904601 is a deficient number, since it is larger than the sum of its proper divisors (3872959548).
1207688904601 is an frugal number, since it uses more digits than its factorization.
1207688904601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7028 (or 3514 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 1207688904601 in words is "one trillion, two hundred seven billion, six hundred eighty-eight million, nine hundred four thousand, six hundred one".