1320525055 has 8 divisors (see below), whose sum is σ = 1621482192. Its totient is φ = 1031851968.

The previous prime is 1320525047. The next prime is 1320525083. The reversal of 1320525055 is 5505250231.

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 1320525055 - 2³ = 1320525047 is a prime.

It is a super-3 number, since 3×1320525055³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070774 + ... + 3071203.

It is an arithmetic number, because the mean of its divisors is an integer number (202685274).

Almost surely, 2^1320525055 is an apocalyptic number.

1320525055 is a deficient number, since it is larger than the sum of its proper divisors (300957137).

1320525055 is an equidigital number, since it uses as much as digits as its factorization.

1320525055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142025.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 1320525055 is about 36339.0293623812. The cubic root of 1320525055 is about 1097.1067369185.

Adding to 1320525055 its reverse (5505250231), we get a palindrome (6825775286).

The spelling of 1320525055 in words is "one billion, three hundred twenty million, five hundred twenty-five thousand, fifty-five".