126724211 has 2 divisors, whose sum is σ = 126724212. Its totient is φ = 126724210.

The previous prime is 126724201. The next prime is 126724259. The reversal of 126724211 is 112427621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126724211 is a prime.

It is not a weakly prime, because it can be changed into another prime (126724201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63362105 + 63362106.

It is an arithmetic number, because the mean of its divisors is an integer number (63362106).

Almost surely, 2^126724211 is an apocalyptic number.

126724211 is a deficient number, since it is larger than the sum of its proper divisors (1).

126724211 is an equidigital number, since it uses as much as digits as its factorization.

126724211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 126724211 is about 11257.1848612342. The cubic root of 126724211 is about 502.2884579408.

The spelling of 126724211 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, two hundred eleven".