1206647087 has 2 divisors, whose sum is σ = 1206647088. Its totient is φ = 1206647086.

The previous prime is 1206647083. The next prime is 1206647129. The reversal of 1206647087 is 7807466021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7807466021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206647087 - 2² = 1206647083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206647083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603323543 + 603323544.

It is an arithmetic number, because the mean of its divisors is an integer number (603323544).

Almost surely, 2^1206647087 is an apocalyptic number.

1206647087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206647087 is an equidigital number, since it uses as much as digits as its factorization.

1206647087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1206647087 is about 34736.8260927794. The cubic root of 1206647087 is about 1064.6170640868.

The spelling of 1206647087 in words is "one billion, two hundred six million, six hundred forty-seven thousand, eighty-seven".