1320530201 has 2 divisors, whose sum is σ = 1320530202. Its totient is φ = 1320530200.

The previous prime is 1320530179. The next prime is 1320530213. The reversal of 1320530201 is 1020350231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150905625 + 169624576 = 33925^2 + 13024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320530201 - 2⁶ = 1320530137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320530201.

It is not a weakly prime, because it can be changed into another prime (1320530221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660265100 + 660265101.

It is an arithmetic number, because the mean of its divisors is an integer number (660265101).

Almost surely, 2^1320530201 is an apocalyptic number.

It is an amenable number.

1320530201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320530201 is an equidigital number, since it uses as much as digits as its factorization.

1320530201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1320530201 is about 36339.1001677257. The cubic root of 1320530201 is about 1097.1081620345.

Adding to 1320530201 its reverse (1020350231), we get a palindrome (2340880432).

The spelling of 1320530201 in words is "one billion, three hundred twenty million, five hundred thirty thousand, two hundred one".