126268451 has 2 divisors, whose sum is σ = 126268452. Its totient is φ = 126268450.

The previous prime is 126268447. The next prime is 126268463. The reversal of 126268451 is 154862621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126268451 - 2² = 126268447 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (126268951) 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, 63134225 + 63134226.

It is an arithmetic number, because the mean of its divisors is an integer number (63134226).

Almost surely, 2^126268451 is an apocalyptic number.

126268451 is a deficient number, since it is larger than the sum of its proper divisors (1).

126268451 is an equidigital number, since it uses as much as digits as its factorization.

126268451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 126268451 is about 11236.9235558493. The cubic root of 126268451 is about 501.6855792597.

The spelling of 126268451 in words is "one hundred twenty-six million, two hundred sixty-eight thousand, four hundred fifty-one".