126481 has 2 divisors, whose sum is σ = 126482. Its totient is φ = 126480.

The previous prime is 126473. The next prime is 126487. The reversal of 126481 is 184621.

126481 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90000 + 36481 = 300^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 126481 - 2³ = 126473 is a prime.

It is a super-2 number, since 2×126481² = 31994886722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63240 + 63241.

It is an arithmetic number, because the mean of its divisors is an integer number (63241).

2¹²⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

126481 is a deficient number, since it is larger than the sum of its proper divisors (1).

126481 is an equidigital number, since it uses as much as digits as its factorization.

126481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 126481 is about 355.6416735986. The cubic root of 126481 is about 50.1966918980.

It can be divided in two parts, 126 and 481, that multiplied together give a palindrome (60606).

The spelling of 126481 in words is "one hundred twenty-six thousand, four hundred eighty-one".