126206871439 has 8 divisors (see below), whose sum is σ = 137684476368. Its totient is φ = 114729975360.

The previous prime is 126206871367. The next prime is 126206871451. The reversal of 126206871439 is 934178602621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126206871439 - 2¹⁷ = 126206740367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126206871392 and 126206871401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126206871139) 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 7 ways as a sum of consecutive naturals, for example, 237219 + ... + 555595.

It is an arithmetic number, because the mean of its divisors is an integer number (17210559546).

Almost surely, 2^126206871439 is an apocalyptic number.

126206871439 is a deficient number, since it is larger than the sum of its proper divisors (11477604929).

126206871439 is a wasteful number, since it uses less digits than its factorization.

126206871439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354425.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 126206871439 in words is "one hundred twenty-six billion, two hundred six million, eight hundred seventy-one thousand, four hundred thirty-nine".