1201320359 has 2 divisors, whose sum is σ = 1201320360. Its totient is φ = 1201320358.

The previous prime is 1201320319. The next prime is 1201320409. The reversal of 1201320359 is 9530231021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9530231021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201320359 - 2¹⁶ = 1201254823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201320319) by changing a digit.

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 as a sum of consecutive naturals, namely, 600660179 + 600660180.

It is an arithmetic number, because the mean of its divisors is an integer number (600660180).

Almost surely, 2^1201320359 is an apocalyptic number.

1201320359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201320359 is an equidigital number, since it uses as much as digits as its factorization.

1201320359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1201320359 is about 34660.0686525575. The cubic root of 1201320359 is about 1063.0481737697.

The spelling of 1201320359 in words is "one billion, two hundred one million, three hundred twenty thousand, three hundred fifty-nine".