1320133727 has 4 divisors (see below), whose sum is σ = 1440145896. Its totient is φ = 1200121560.

The previous prime is 1320133723. The next prime is 1320133739. The reversal of 1320133727 is 7273310231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1320133727 - 2² = 1320133723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320133727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320133723) 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 3 ways as a sum of consecutive naturals, for example, 60006068 + ... + 60006089.

It is an arithmetic number, because the mean of its divisors is an integer number (360036474).

Almost surely, 2^1320133727 is an apocalyptic number.

1320133727 is a deficient number, since it is larger than the sum of its proper divisors (120012169).

1320133727 is a wasteful number, since it uses less digits than its factorization.

1320133727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120012168.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1320133727 is about 36333.6445598291. The cubic root of 1320133727 is about 1096.9983530097.

Adding to 1320133727 its reverse (7273310231), we get a palindrome (8593443958).

The spelling of 1320133727 in words is "one billion, three hundred twenty million, one hundred thirty-three thousand, seven hundred twenty-seven".