126215359 has 2 divisors, whose sum is σ = 126215360. Its totient is φ = 126215358.

The previous prime is 126215281. The next prime is 126215393. The reversal of 126215359 is 953512621.

It is an a-pointer prime, because the next prime (126215393) can be obtained adding 126215359 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126215359 - 2⁷ = 126215231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126215459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63107679 + 63107680.

It is an arithmetic number, because the mean of its divisors is an integer number (63107680).

Almost surely, 2^126215359 is an apocalyptic number.

126215359 is a deficient number, since it is larger than the sum of its proper divisors (1).

126215359 is an equidigital number, since it uses as much as digits as its factorization.

126215359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 126215359 is about 11234.5609170986. The cubic root of 126215359 is about 501.6152549505.

The spelling of 126215359 in words is "one hundred twenty-six million, two hundred fifteen thousand, three hundred fifty-nine".