126066641 has 2 divisors, whose sum is σ = 126066642. Its totient is φ = 126066640.

The previous prime is 126066637. The next prime is 126066727. The reversal of 126066641 is 146660621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 11662225 = 10696^2 + 3415^2 .

It is an emirp because it is prime and its reverse (146660621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126066641 - 2² = 126066637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126066598 and 126066607.

It is not a weakly prime, because it can be changed into another prime (126068641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63033320 + 63033321.

It is an arithmetic number, because the mean of its divisors is an integer number (63033321).

Almost surely, 2^126066641 is an apocalyptic number.

It is an amenable number.

126066641 is a deficient number, since it is larger than the sum of its proper divisors (1).

126066641 is an equidigital number, since it uses as much as digits as its factorization.

126066641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 126066641 is about 11227.9401939982. The cubic root of 126066641 is about 501.4181618311.

The spelling of 126066641 in words is "one hundred twenty-six million, sixty-six thousand, six hundred forty-one".