126270349 has 2 divisors, whose sum is σ = 126270350. Its totient is φ = 126270348.

The previous prime is 126270329. The next prime is 126270457. The reversal of 126270349 is 943072621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110628324 + 15642025 = 10518^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 126270349 - 2⁹ = 126269837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126270329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63135174 + 63135175.

It is an arithmetic number, because the mean of its divisors is an integer number (63135175).

Almost surely, 2^126270349 is an apocalyptic number.

It is an amenable number.

126270349 is a deficient number, since it is larger than the sum of its proper divisors (1).

126270349 is an equidigital number, since it uses as much as digits as its factorization.

126270349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 126270349 is about 11237.0080092523. The cubic root of 126270349 is about 501.6880929372.

The spelling of 126270349 in words is "one hundred twenty-six million, two hundred seventy thousand, three hundred forty-nine".