126842893 has 2 divisors, whose sum is σ = 126842894. Its totient is φ = 126842892.

The previous prime is 126842887. The next prime is 126842927. The reversal of 126842893 is 398248621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 26081449 = 10038^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 126842893 - 2⁹ = 126842381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126842293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63421446 + 63421447.

It is an arithmetic number, because the mean of its divisors is an integer number (63421447).

Almost surely, 2^126842893 is an apocalyptic number.

It is an amenable number.

126842893 is a deficient number, since it is larger than the sum of its proper divisors (1).

126842893 is an equidigital number, since it uses as much as digits as its factorization.

126842893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 126842893 is about 11262.4550165583. The cubic root of 126842893 is about 502.4452130396.

The spelling of 126842893 in words is "one hundred twenty-six million, eight hundred forty-two thousand, eight hundred ninety-three".