201420124601 has 2 divisors, whose sum is σ = 201420124602. Its totient is φ = 201420124600.

The previous prime is 201420124589. The next prime is 201420124643. The reversal of 201420124601 is 106421024102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180727014400 + 20693110201 = 425120^2 + 143851^2 .

It is a cyclic number.

It is not a de Polignac number, because 201420124601 - 2¹⁰ = 201420123577 is a prime.

It is a super-3 number, since 3×201420124601³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (201420124651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100710062300 + 100710062301.

It is an arithmetic number, because the mean of its divisors is an integer number (100710062301).

Almost surely, 2^201420124601 is an apocalyptic number.

It is an amenable number.

201420124601 is a deficient number, since it is larger than the sum of its proper divisors (1).

201420124601 is an equidigital number, since it uses as much as digits as its factorization.

201420124601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201420124601 its reverse (106421024102), we get a palindrome (307841148703).

The spelling of 201420124601 in words is "two hundred one billion, four hundred twenty million, one hundred twenty-four thousand, six hundred one".