126798641 has 2 divisors, whose sum is σ = 126798642. Its totient is φ = 126798640.

The previous prime is 126798613. The next prime is 126798653. The reversal of 126798641 is 146897621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 461041 = 11240^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 126798641 - 2²² = 122604337 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126798592 and 126798601.

It is not a weakly prime, because it can be changed into another prime (126798671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63399320 + 63399321.

It is an arithmetic number, because the mean of its divisors is an integer number (63399321).

Almost surely, 2^126798641 is an apocalyptic number.

It is an amenable number.

126798641 is a deficient number, since it is larger than the sum of its proper divisors (1).

126798641 is an equidigital number, since it uses as much as digits as its factorization.

126798641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 126798641 is about 11260.4902646377. The cubic root of 126798641 is about 502.3867764672.

The spelling of 126798641 in words is "one hundred twenty-six million, seven hundred ninety-eight thousand, six hundred forty-one".