1320321201 has 8 divisors (see below), whose sum is σ = 1863982944. Its totient is φ = 828436800.

The previous prime is 1320321161. The next prime is 1320321241. The reversal of 1320321201 is 1021230231.

It is an interprime number because it is at equal distance from previous prime (1320321161) and next prime (1320321241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320321201 - 2⁶ = 1320321137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320321241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12944275 + ... + 12944376.

It is an arithmetic number, because the mean of its divisors is an integer number (232997868).

Almost surely, 2^1320321201 is an apocalyptic number.

It is an amenable number.

1320321201 is a deficient number, since it is larger than the sum of its proper divisors (543661743).

1320321201 is a wasteful number, since it uses less digits than its factorization.

1320321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25888671.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320321201 is about 36336.2243635742. The cubic root of 1320321201 is about 1097.0502792983.

Adding to 1320321201 its reverse (1021230231), we get a palindrome (2341551432).

The spelling of 1320321201 in words is "one billion, three hundred twenty million, three hundred twenty-one thousand, two hundred one".