126773393 has 2 divisors, whose sum is σ = 126773394. Its totient is φ = 126773392.

The previous prime is 126773363. The next prime is 126773407. The reversal of 126773393 is 393377621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 15745024 = 10537^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 126773393 - 2⁶ = 126773329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126773393.

It is not a weakly prime, because it can be changed into another prime (126773363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63386696 + 63386697.

It is an arithmetic number, because the mean of its divisors is an integer number (63386697).

Almost surely, 2^126773393 is an apocalyptic number.

It is an amenable number.

126773393 is a deficient number, since it is larger than the sum of its proper divisors (1).

126773393 is an equidigital number, since it uses as much as digits as its factorization.

126773393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 41.

The square root of 126773393 is about 11259.3691208700. The cubic root of 126773393 is about 502.3534293608.

The spelling of 126773393 in words is "one hundred twenty-six million, seven hundred seventy-three thousand, three hundred ninety-three".