126872355686 has 8 divisors (see below), whose sum is σ = 190515618480. Its totient is φ = 63367149528.

The previous prime is 126872355641. The next prime is 126872355739. The reversal of 126872355686 is 686553278621.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34511861 + ... + 34515536.

It is an arithmetic number, because the mean of its divisors is an integer number (23814452310).

Almost surely, 2^126872355686 is an apocalyptic number.

126872355686 is a deficient number, since it is larger than the sum of its proper divisors (63643262794).

126872355686 is an equidigital number, since it uses as much as digits as its factorization.

126872355686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69028318.

The product of its digits is 29030400, while the sum is 59.

The spelling of 126872355686 in words is "one hundred twenty-six billion, eight hundred seventy-two million, three hundred fifty-five thousand, six hundred eighty-six".