126545053 has 2 divisors, whose sum is σ = 126545054. Its totient is φ = 126545052.

The previous prime is 126545051. The next prime is 126545063. The reversal of 126545053 is 350545621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79512889 + 47032164 = 8917^2 + 6858^2 .

It is an emirp because it is prime and its reverse (350545621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126545053 - 2¹ = 126545051 is a prime.

Together with 126545051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126545051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63272526 + 63272527.

It is an arithmetic number, because the mean of its divisors is an integer number (63272527).

Almost surely, 2^126545053 is an apocalyptic number.

It is an amenable number.

126545053 is a deficient number, since it is larger than the sum of its proper divisors (1).

126545053 is an equidigital number, since it uses as much as digits as its factorization.

126545053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 126545053 is about 11249.2245510524. The cubic root of 126545053 is about 502.0516406932.

The spelling of 126545053 in words is "one hundred twenty-six million, five hundred forty-five thousand, fifty-three".