1206678471 has 8 divisors (see below), whose sum is σ = 1612381440. Its totient is φ = 802713912.

The previous prime is 1206678461. The next prime is 1206678481. The reversal of 1206678471 is 1748766021.

It is an interprime number because it is at equal distance from previous prime (1206678461) and next prime (1206678481).

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

It is not a de Polignac number, because 1206678471 - 2⁹ = 1206677959 is a prime.

It is a super-3 number, since 3×1206678471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206678461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432981 + ... + 435758.

It is an arithmetic number, because the mean of its divisors is an integer number (201547680).

Almost surely, 2^1206678471 is an apocalyptic number.

1206678471 is a deficient number, since it is larger than the sum of its proper divisors (405702969).

1206678471 is an equidigital number, since it uses as much as digits as its factorization.

1206678471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869205.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1206678471 is about 34737.2778294443. The cubic root of 1206678471 is about 1064.6262939748.

The spelling of 1206678471 in words is "one billion, two hundred six million, six hundred seventy-eight thousand, four hundred seventy-one".