201230801 has 2 divisors, whose sum is σ = 201230802. Its totient is φ = 201230800.

The previous prime is 201230789. The next prime is 201230807. The reversal of 201230801 is 108032102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196672576 + 4558225 = 14024^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 201230801 - 2⁶ = 201230737 is a prime.

It is a super-2 number, since 2×201230801² = 80987670542203202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201230801.

It is not a weakly prime, because it can be changed into another prime (201230807) 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, 100615400 + 100615401.

It is an arithmetic number, because the mean of its divisors is an integer number (100615401).

Almost surely, 2^201230801 is an apocalyptic number.

It is an amenable number.

201230801 is a deficient number, since it is larger than the sum of its proper divisors (1).

201230801 is an equidigital number, since it uses as much as digits as its factorization.

201230801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 201230801 is about 14185.5842671354. The cubic root of 201230801 is about 586.0007231681. Note that the first 3 decimals are identical.

Adding to 201230801 its reverse (108032102), we get a palindrome (309262903).

The spelling of 201230801 in words is "two hundred one million, two hundred thirty thousand, eight hundred one".