126904554120247 has 2 divisors, whose sum is σ = 126904554120248. Its totient is φ = 126904554120246.

The previous prime is 126904554120199. The next prime is 126904554120287. The reversal of 126904554120247 is 742021455409621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126904554120247 - 2⁴³ = 118108461098039 is a prime.

It is a super-2 number, since 2×126904554120247² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126904554120194 and 126904554120203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126904554120287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63452277060123 + 63452277060124.

It is an arithmetic number, because the mean of its divisors is an integer number (63452277060124).

Almost surely, 2^{126904554120247} is an apocalyptic number.

126904554120247 is a deficient number, since it is larger than the sum of its proper divisors (1).

126904554120247 is an equidigital number, since it uses as much as digits as its factorization.

126904554120247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 126904554120247 in words is "one hundred twenty-six trillion, nine hundred four billion, five hundred fifty-four million, one hundred twenty thousand, two hundred forty-seven".