126547573 has 2 divisors, whose sum is σ = 126547574. Its totient is φ = 126547572.

The previous prime is 126547567. The next prime is 126547613. The reversal of 126547573 is 375745621.

It is an a-pointer prime, because the next prime (126547613) can be obtained adding 126547573 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 55026724 = 8457^2 + 7418^2 .

It is an emirp because it is prime and its reverse (375745621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126547573 - 2⁹ = 126547061 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63273786 + 63273787.

It is an arithmetic number, because the mean of its divisors is an integer number (63273787).

Almost surely, 2^126547573 is an apocalyptic number.

It is an amenable number.

126547573 is a deficient number, since it is larger than the sum of its proper divisors (1).

126547573 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 126547573 = (742573165)₈.

126547573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 126547573 is about 11249.3365582153. The cubic root of 126547573 is about 502.0549732658.

The spelling of 126547573 in words is "one hundred twenty-six million, five hundred forty-seven thousand, five hundred seventy-three".