1230321601 has 2 divisors, whose sum is σ = 1230321602. Its totient is φ = 1230321600.

The previous prime is 1230321593. The next prime is 1230321641. The reversal of 1230321601 is 1061230321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1229554225 + 767376 = 35065^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230321601 - 2³ = 1230321593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230321641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615160800 + 615160801.

It is an arithmetic number, because the mean of its divisors is an integer number (615160801).

Almost surely, 2^1230321601 is an apocalyptic number.

It is an amenable number.

1230321601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230321601 is an equidigital number, since it uses as much as digits as its factorization.

1230321601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1230321601 is about 35075.9404863220. The cubic root of 1230321601 is about 1071.5346427414.

Adding to 1230321601 its reverse (1061230321), we get a palindrome (2291551922).

The spelling of 1230321601 in words is "one billion, two hundred thirty million, three hundred twenty-one thousand, six hundred one".