126334657 has 2 divisors, whose sum is σ = 126334658. Its totient is φ = 126334656.

The previous prime is 126334639. The next prime is 126334661. The reversal of 126334657 is 756433621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 53129521 = 8556^2 + 7289^2 .

It is a cyclic number.

It is not a de Polignac number, because 126334657 - 2⁷ = 126334529 is a prime.

It is not a weakly prime, because it can be changed into another prime (126334627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63167328 + 63167329.

It is an arithmetic number, because the mean of its divisors is an integer number (63167329).

Almost surely, 2^126334657 is an apocalyptic number.

It is an amenable number.

126334657 is a deficient number, since it is larger than the sum of its proper divisors (1).

126334657 is an equidigital number, since it uses as much as digits as its factorization.

126334657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 126334657 is about 11239.8690828675. The cubic root of 126334657 is about 501.7732464265.

The spelling of 126334657 in words is "one hundred twenty-six million, three hundred thirty-four thousand, six hundred fifty-seven".