126206447 has 2 divisors, whose sum is σ = 126206448. Its totient is φ = 126206446.

The previous prime is 126206429. The next prime is 126206467. The reversal of 126206447 is 744602621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126206447 - 2⁶ = 126206383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126206467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63103223 + 63103224.

It is an arithmetic number, because the mean of its divisors is an integer number (63103224).

Almost surely, 2^126206447 is an apocalyptic number.

126206447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126206447 is an equidigital number, since it uses as much as digits as its factorization.

126206447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 126206447 is about 11234.1642768833. The cubic root of 126206447 is about 501.6034484097.

The spelling of 126206447 in words is "one hundred twenty-six million, two hundred six thousand, four hundred forty-seven".