1189441286129 has 8 divisors (see below), whose sum is σ = 1218229219200. Its totient is φ = 1160798381136.

The previous prime is 1189441286083. The next prime is 1189441286149. The reversal of 1189441286129 is 9216821449811.

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

It is a cyclic number.

It is not a de Polignac number, because 1189441286129 - 2²⁰ = 1189440237553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1189441286149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36240419 + ... + 36273224.

It is an arithmetic number, because the mean of its divisors is an integer number (152278652400).

Almost surely, 2^{1189441286129} is an apocalyptic number.

It is an amenable number.

1189441286129 is a deficient number, since it is larger than the sum of its proper divisors (28787933071).

1189441286129 is an equidigital number, since it uses as much as digits as its factorization.

1189441286129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72514039.

The product of its digits is 1990656, while the sum is 56.

The spelling of 1189441286129 in words is "one trillion, one hundred eighty-nine billion, four hundred forty-one million, two hundred eighty-six thousand, one hundred twenty-nine".