126141523201 has 2 divisors, whose sum is σ = 126141523202. Its totient is φ = 126141523200.

The previous prime is 126141523187. The next prime is 126141523223. The reversal of 126141523201 is 102325141621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89153002225 + 36988520976 = 298585^2 + 192324^2 .

It is an emirp because it is prime and its reverse (102325141621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126141523201 - 2²³ = 126133134593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126141523201.

It is not a weakly prime, because it can be changed into another prime (126141523231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63070761600 + 63070761601.

It is an arithmetic number, because the mean of its divisors is an integer number (63070761601).

Almost surely, 2^126141523201 is an apocalyptic number.

It is an amenable number.

126141523201 is a deficient number, since it is larger than the sum of its proper divisors (1).

126141523201 is an equidigital number, since it uses as much as digits as its factorization.

126141523201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 126141523201 its reverse (102325141621), we get a palindrome (228466664822).

The spelling of 126141523201 in words is "one hundred twenty-six billion, one hundred forty-one million, five hundred twenty-three thousand, two hundred one".