126014521 has 2 divisors, whose sum is σ = 126014522. Its totient is φ = 126014520.

The previous prime is 126014519. The next prime is 126014531. The reversal of 126014521 is 125410621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124992400 + 1022121 = 11180^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 126014521 - 2¹ = 126014519 is a prime.

Together with 126014519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 126014492 and 126014501.

It is not a weakly prime, because it can be changed into another prime (126014531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63007260 + 63007261.

It is an arithmetic number, because the mean of its divisors is an integer number (63007261).

Almost surely, 2^126014521 is an apocalyptic number.

It is an amenable number.

126014521 is a deficient number, since it is larger than the sum of its proper divisors (1).

126014521 is an equidigital number, since it uses as much as digits as its factorization.

126014521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 126014521 is about 11225.6189584361. The cubic root of 126014521 is about 501.3490515131.

The spelling of 126014521 in words is "one hundred twenty-six million, fourteen thousand, five hundred twenty-one".