1206623242117 has 2 divisors, whose sum is σ = 1206623242118. Its totient is φ = 1206623242116.

The previous prime is 1206623242103. The next prime is 1206623242283. The reversal of 1206623242117 is 7112423266021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713663385796 + 492959856321 = 844786^2 + 702111^2 .

It is an emirp because it is prime and its reverse (7112423266021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206623242117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206623242817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603311621058 + 603311621059.

It is an arithmetic number, because the mean of its divisors is an integer number (603311621059).

Almost surely, 2^{1206623242117} is an apocalyptic number.

It is an amenable number.

1206623242117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206623242117 is an equidigital number, since it uses as much as digits as its factorization.

1206623242117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 1206623242117 in words is "one trillion, two hundred six billion, six hundred twenty-three million, two hundred forty-two thousand, one hundred seventeen".