126803057 has 2 divisors, whose sum is σ = 126803058. Its totient is φ = 126803056.

The previous prime is 126803041. The next prime is 126803059. The reversal of 126803057 is 750308621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102900736 + 23902321 = 10144^2 + 4889^2 .

It is a cyclic number.

It is not a de Polignac number, because 126803057 - 2⁴ = 126803041 is a prime.

Together with 126803059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126803059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63401528 + 63401529.

It is an arithmetic number, because the mean of its divisors is an integer number (63401529).

Almost surely, 2^126803057 is an apocalyptic number.

It is an amenable number.

126803057 is a deficient number, since it is larger than the sum of its proper divisors (1).

126803057 is an equidigital number, since it uses as much as digits as its factorization.

126803057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 126803057 is about 11260.6863467552. The cubic root of 126803057 is about 502.3926085861.

The spelling of 126803057 in words is "one hundred twenty-six million, eight hundred three thousand, fifty-seven".