126558053 has 2 divisors, whose sum is σ = 126558054. Its totient is φ = 126558052.

The previous prime is 126558049. The next prime is 126558077. The reversal of 126558053 is 350855621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122367844 + 4190209 = 11062^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 126558053 - 2² = 126558049 is a prime.

It is equal to p_7193762 and since 126558053 and 7193762 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126558023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63279026 + 63279027.

It is an arithmetic number, because the mean of its divisors is an integer number (63279027).

Almost surely, 2^126558053 is an apocalyptic number.

It is an amenable number.

126558053 is a deficient number, since it is larger than the sum of its proper divisors (1).

126558053 is an equidigital number, since it uses as much as digits as its factorization.

126558053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 126558053 is about 11249.8023538194. The cubic root of 126558053 is about 502.0688320615.

The spelling of 126558053 in words is "one hundred twenty-six million, five hundred fifty-eight thousand, fifty-three".