126547 has 2 divisors, whose sum is σ = 126548. Its totient is φ = 126546.

The previous prime is 126541. The next prime is 126551. The reversal of 126547 is 745621.

It is a strong prime.

It is an emirp because it is prime and its reverse (745621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126547 is a prime.

It is not a weakly prime, because it can be changed into another prime (126541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63273 + 63274.

It is an arithmetic number, because the mean of its divisors is an integer number (63274).

2¹²⁶⁵⁴⁷ is an apocalyptic number.

126547 is a deficient number, since it is larger than the sum of its proper divisors (1).

126547 is an equidigital number, since it uses as much as digits as its factorization.

126547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 126547 is about 355.7344515225. The cubic root of 126547 is about 50.2054215506.

The spelling of 126547 in words is "one hundred twenty-six thousand, five hundred forty-seven".