126267359247 has 80 divisors (see below), whose sum is σ = 197557668000. Its totient is φ = 80288444160.

The previous prime is 126267359243. The next prime is 126267359261. The reversal of 126267359247 is 742953762621.

126267359247 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 6 + 7 + 3 + 592 + 47 = 666.

It is not a de Polignac number, because 126267359247 - 2² = 126267359243 is a prime.

It is a super-2 number, since 2×126267359247² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126267359193 and 126267359202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126267359243) 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 79 ways as a sum of consecutive naturals, for example, 81514629 + ... + 81516177.

It is an arithmetic number, because the mean of its divisors is an integer number (2469470850).

Almost surely, 2^126267359247 is an apocalyptic number.

126267359247 is a deficient number, since it is larger than the sum of its proper divisors (71290308753).

126267359247 is a wasteful number, since it uses less digits than its factorization.

126267359247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2109 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 126267359247 in words is "one hundred twenty-six billion, two hundred sixty-seven million, three hundred fifty-nine thousand, two hundred forty-seven".