126027641 has 2 divisors, whose sum is σ = 126027642. Its totient is φ = 126027640.

The previous prime is 126027637. The next prime is 126027683. The reversal of 126027641 is 146720621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123765625 + 2262016 = 11125^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 126027641 - 2² = 126027637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126023641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63013820 + 63013821.

It is an arithmetic number, because the mean of its divisors is an integer number (63013821).

Almost surely, 2^126027641 is an apocalyptic number.

It is an amenable number.

126027641 is a deficient number, since it is larger than the sum of its proper divisors (1).

126027641 is an equidigital number, since it uses as much as digits as its factorization.

126027641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 126027641 is about 11226.2033208026. The cubic root of 126027641 is about 501.3664502257.

The spelling of 126027641 in words is "one hundred twenty-six million, twenty-seven thousand, six hundred forty-one".