126857909846970 has 48 divisors (see below), whose sum is σ = 329867097847560. Its totient is φ = 33825029062272.

The previous prime is 126857909846917. The next prime is 126857909847007. The reversal of 126857909846970 is 79648909758621.

126857909846970 is a `hidden beast` number, since 1 + 2 + 6 + 85 + 7 + 9 + 0 + 9 + 8 + 469 + 70 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124804400784921 + 2053509062049 = 11171589^2 + 1433007^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126857909846970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77243229 + ... + 78868448.

Almost surely, 2^{126857909846970} is an apocalyptic number.

126857909846970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126857909846970 is an abundant number, since it is smaller than the sum of its proper divisors (203009188000590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126857909846970 is a wasteful number, since it uses less digits than its factorization.

126857909846970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156120719 (or 156120716 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 81.

The spelling of 126857909846970 in words is "one hundred twenty-six trillion, eight hundred fifty-seven billion, nine hundred nine million, eight hundred forty-six thousand, nine hundred seventy".