1320190128827 has 8 divisors (see below), whose sum is σ = 1340684141136. Its totient is φ = 1299719342592.

The previous prime is 1320190128811. The next prime is 1320190128847. The reversal of 1320190128827 is 7288210910231.

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 1320190128827 - 2⁴ = 1320190128811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320190128847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691938 + ... + 5919335.

It is an arithmetic number, because the mean of its divisors is an integer number (167585517642).

Almost surely, 2^{1320190128827} is an apocalyptic number.

1320190128827 is a deficient number, since it is larger than the sum of its proper divisors (20494012309).

1320190128827 is a wasteful number, since it uses less digits than its factorization.

1320190128827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613037.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 1320190128827 in words is "one trillion, three hundred twenty billion, one hundred ninety million, one hundred twenty-eight thousand, eight hundred twenty-seven".