126301253947 has 16 divisors (see below), whose sum is σ = 138172953600. Its totient is φ = 114494811840.

The previous prime is 126301253933. The next prime is 126301253977. The reversal of 126301253947 is 749352103621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126301253947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126301253977) 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 in 15 ways as a sum of consecutive naturals, for example, 10313454 + ... + 10325692.

It is an arithmetic number, because the mean of its divisors is an integer number (8635809600).

Almost surely, 2^126301253947 is an apocalyptic number.

126301253947 is a deficient number, since it is larger than the sum of its proper divisors (11871699653).

126301253947 is a wasteful number, since it uses less digits than its factorization.

126301253947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14826.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 126301253947 in words is "one hundred twenty-six billion, three hundred one million, two hundred fifty-three thousand, nine hundred forty-seven".