126013451 has 2 divisors, whose sum is σ = 126013452. Its totient is φ = 126013450.

The previous prime is 126013441. The next prime is 126013463. The reversal of 126013451 is 154310621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126013451 - 2⁶ = 126013387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (126013411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63006725 + 63006726.

It is an arithmetic number, because the mean of its divisors is an integer number (63006726).

Almost surely, 2^126013451 is an apocalyptic number.

126013451 is a deficient number, since it is larger than the sum of its proper divisors (1).

126013451 is an equidigital number, since it uses as much as digits as its factorization.

126013451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 126013451 is about 11225.5712994930. The cubic root of 126013451 is about 501.3476325100.

The spelling of 126013451 in words is "one hundred twenty-six million, thirteen thousand, four hundred fifty-one".