126242063 has 2 divisors, whose sum is σ = 126242064. Its totient is φ = 126242062.

The previous prime is 126242059. The next prime is 126242069. The reversal of 126242063 is 360242621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126242063 - 2² = 126242059 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126242069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63121031 + 63121032.

It is an arithmetic number, because the mean of its divisors is an integer number (63121032).

Almost surely, 2^126242063 is an apocalyptic number.

126242063 is a deficient number, since it is larger than the sum of its proper divisors (1).

126242063 is an equidigital number, since it uses as much as digits as its factorization.

126242063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 126242063 is about 11235.7493297065. The cubic root of 126242063 is about 501.6506288524.

Adding to 126242063 its reverse (360242621), we get a palindrome (486484684).

The spelling of 126242063 in words is "one hundred twenty-six million, two hundred forty-two thousand, sixty-three".