126427497867 has 72 divisors (see below), whose sum is σ = 211686995520. Its totient is φ = 74838965040.

The previous prime is 126427497841. The next prime is 126427497877. The reversal of 126427497867 is 768794724621.

126427497867 is a `hidden beast` number, since 1 + 2 + 64 + 2 + 7 + 497 + 86 + 7 = 666.

It is not a de Polignac number, because 126427497867 - 2³² = 122132530571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126427497877) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3082984 + ... + 3123722.

It is an arithmetic number, because the mean of its divisors is an integer number (2940097160).

Almost surely, 2^126427497867 is an apocalyptic number.

126427497867 is a deficient number, since it is larger than the sum of its proper divisors (85259497653).

126427497867 is an frugal number, since it uses more digits than its factorization.

126427497867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817 (or 40796 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 126427497867 in words is "one hundred twenty-six billion, four hundred twenty-seven million, four hundred ninety-seven thousand, eight hundred sixty-seven".