126547873 has 2 divisors, whose sum is σ = 126547874. Its totient is φ = 126547872.

The previous prime is 126547831. The next prime is 126547891. The reversal of 126547873 is 378745621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114318864 + 12229009 = 10692^2 + 3497^2 .

It is an emirp because it is prime and its reverse (378745621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126547873 - 2²⁵ = 92993441 is a prime.

It is not a weakly prime, because it can be changed into another prime (126547273) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63273936 + 63273937.

It is an arithmetic number, because the mean of its divisors is an integer number (63273937).

Almost surely, 2^126547873 is an apocalyptic number.

It is an amenable number.

126547873 is a deficient number, since it is larger than the sum of its proper divisors (1).

126547873 is an equidigital number, since it uses as much as digits as its factorization.

126547873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 126547873 is about 11249.3498923271. The cubic root of 126547873 is about 502.0553699977.

The spelling of 126547873 in words is "one hundred twenty-six million, five hundred forty-seven thousand, eight hundred seventy-three".