1182728189027 has 16 divisors (see below), whose sum is σ = 1482055356672. Its totient is φ = 916928164320.

The previous prime is 1182728189017. The next prime is 1182728189029. The reversal of 1182728189027 is 7209818272811.

It is a happy number.

It is not a de Polignac number, because 1182728189027 - 2¹² = 1182728184931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1182728189029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38969873 + ... + 39000210.

It is an arithmetic number, because the mean of its divisors is an integer number (92628459792).

Almost surely, 2^{1182728189027} is an apocalyptic number.

1182728189027 is a deficient number, since it is larger than the sum of its proper divisors (299327167645).

1182728189027 is a wasteful number, since it uses less digits than its factorization.

1182728189027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77970298.

The product of its (nonzero) digits is 1806336, while the sum is 56.

The spelling of 1182728189027 in words is "one trillion, one hundred eighty-two billion, seven hundred twenty-eight million, one hundred eighty-nine thousand, twenty-seven".