126001062251 has 2 divisors, whose sum is σ = 126001062252. Its totient is φ = 126001062250.

The previous prime is 126001062227. The next prime is 126001062259. The reversal of 126001062251 is 152260100621.

It is a strong prime.

It is an emirp because it is prime and its reverse (152260100621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126001062251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126001062251.

It is not a weakly prime, because it can be changed into another prime (126001062259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63000531125 + 63000531126.

It is an arithmetic number, because the mean of its divisors is an integer number (63000531126).

Almost surely, 2^126001062251 is an apocalyptic number.

126001062251 is a deficient number, since it is larger than the sum of its proper divisors (1).

126001062251 is an equidigital number, since it uses as much as digits as its factorization.

126001062251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 126001062251 its reverse (152260100621), we get a palindrome (278261162872).

The spelling of 126001062251 in words is "one hundred twenty-six billion, one million, sixty-two thousand, two hundred fifty-one".