126751841 has 2 divisors, whose sum is σ = 126751842. Its totient is φ = 126751840.

The previous prime is 126751819. The next prime is 126751853. The reversal of 126751841 is 148157621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98704225 + 28047616 = 9935^2 + 5296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126751841 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (126751811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63375920 + 63375921.

It is an arithmetic number, because the mean of its divisors is an integer number (63375921).

Almost surely, 2^126751841 is an apocalyptic number.

It is an amenable number.

126751841 is a deficient number, since it is larger than the sum of its proper divisors (1).

126751841 is an equidigital number, since it uses as much as digits as its factorization.

126751841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 126751841 is about 11258.4120105812. The cubic root of 126751841 is about 502.3249603620.

The spelling of 126751841 in words is "one hundred twenty-six million, seven hundred fifty-one thousand, eight hundred forty-one".