126210066737 has 2 divisors, whose sum is σ = 126210066738. Its totient is φ = 126210066736.

The previous prime is 126210066709. The next prime is 126210066739. The reversal of 126210066737 is 737660012621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112584407296 + 13625659441 = 335536^2 + 116729^2 .

It is a cyclic number.

It is not a de Polignac number, because 126210066737 - 2⁸ = 126210066481 is a prime.

It is a super-3 number, since 3×126210066737³ (a number of 34 digits) contains 333 as substring.

Together with 126210066739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126210066694 and 126210066703.

It is not a weakly prime, because it can be changed into another prime (126210066739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63105033368 + 63105033369.

It is an arithmetic number, because the mean of its divisors is an integer number (63105033369).

Almost surely, 2^126210066737 is an apocalyptic number.

It is an amenable number.

126210066737 is a deficient number, since it is larger than the sum of its proper divisors (1).

126210066737 is an equidigital number, since it uses as much as digits as its factorization.

126210066737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 126210066737 in words is "one hundred twenty-six billion, two hundred ten million, sixty-six thousand, seven hundred thirty-seven".