1206480681 has 12 divisors (see below), whose sum is σ = 1991650752. Its totient is φ = 689417496.

The previous prime is 1206480679. The next prime is 1206480697. The reversal of 1206480681 is 1860846021.

1206480681 is a `hidden beast` number, since 1 + 2 + 0 + 648 + 0 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 1206480681 - 2¹ = 1206480679 is a prime.

It is a super-2 number, since 2×1206480681² = 2911191267252447522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1206480481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9575181 + ... + 9575306.

It is an arithmetic number, because the mean of its divisors is an integer number (165970896).

Almost surely, 2^1206480681 is an apocalyptic number.

It is an amenable number.

1206480681 is a deficient number, since it is larger than the sum of its proper divisors (785170071).

1206480681 is a wasteful number, since it uses less digits than its factorization.

1206480681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19150500 (or 19150497 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1206480681 is about 34734.4307712103. The cubic root of 1206480681 is about 1064.5681221845.

The spelling of 1206480681 in words is "one billion, two hundred six million, four hundred eighty thousand, six hundred eighty-one".