1199038470187 has 2 divisors, whose sum is σ = 1199038470188. Its totient is φ = 1199038470186.

The previous prime is 1199038470163. The next prime is 1199038470191. The reversal of 1199038470187 is 7810748309911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1199038470187 - 2⁷ = 1199038470059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1199038470197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599519235093 + 599519235094.

It is an arithmetic number, because the mean of its divisors is an integer number (599519235094).

Almost surely, 2^{1199038470187} is an apocalyptic number.

1199038470187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199038470187 is an equidigital number, since it uses as much as digits as its factorization.

1199038470187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 1199038470187 in words is "one trillion, one hundred ninety-nine billion, thirty-eight million, four hundred seventy thousand, one hundred eighty-seven".