1189063123009 has 8 divisors (see below), whose sum is σ = 1205549714880. Its totient is φ = 1172627972496.

The previous prime is 1189063122983. The next prime is 1189063123033. The reversal of 1189063123009 is 9003213609811.

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 1189063123009 - 2⁵ = 1189063122977 is a prime.

It is a super-2 number, since 2×1189063123009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1189063121009) 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, 12813789 + ... + 12906250.

It is an arithmetic number, because the mean of its divisors is an integer number (150693714360).

Almost surely, 2^{1189063123009} is an apocalyptic number.

It is an amenable number.

1189063123009 is a deficient number, since it is larger than the sum of its proper divisors (16486591871).

1189063123009 is an equidigital number, since it uses as much as digits as its factorization.

1189063123009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25720679.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 1189063123009 in words is "one trillion, one hundred eighty-nine billion, sixty-three million, one hundred twenty-three thousand, nine".