126554159 has 2 divisors, whose sum is σ = 126554160. Its totient is φ = 126554158.

The previous prime is 126554107. The next prime is 126554189. The reversal of 126554159 is 951455621.

It is a strong prime.

It is an emirp because it is prime and its reverse (951455621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126554159 - 2¹² = 126550063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126554189) 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, 63277079 + 63277080.

It is an arithmetic number, because the mean of its divisors is an integer number (63277080).

Almost surely, 2^126554159 is an apocalyptic number.

126554159 is a deficient number, since it is larger than the sum of its proper divisors (1).

126554159 is an equidigital number, since it uses as much as digits as its factorization.

126554159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The square root of 126554159 is about 11249.6292827808. The cubic root of 126554159 is about 502.0636827090.

The spelling of 126554159 in words is "one hundred twenty-six million, five hundred fifty-four thousand, one hundred fifty-nine".