1320255235 has 8 divisors (see below), whose sum is σ = 1706176080. Its totient is φ = 974957664.

The previous prime is 1320255203. The next prime is 1320255259. The reversal of 1320255235 is 5325520231.

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 1320255235 - 2⁵ = 1320255203 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10155745 + ... + 10155874.

It is an arithmetic number, because the mean of its divisors is an integer number (213272010).

Almost surely, 2^1320255235 is an apocalyptic number.

1320255235 is a deficient number, since it is larger than the sum of its proper divisors (385920845).

1320255235 is a wasteful number, since it uses less digits than its factorization.

1320255235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311637.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1320255235 is about 36335.3166354719. The cubic root of 1320255235 is about 1097.0320086876.

Adding to 1320255235 its reverse (5325520231), we get a palindrome (6645775466).

The spelling of 1320255235 in words is "one billion, three hundred twenty million, two hundred fifty-five thousand, two hundred thirty-five".