126727660640020 has 48 divisors (see below), whose sum is σ = 290427007647168. Its totient is φ = 46066046351360.

The previous prime is 126727660639999. The next prime is 126727660640039. The reversal of 126727660640020 is 20046066727621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104013814 + ... + 105225133.

It is an arithmetic number, because the mean of its divisors is an integer number (6050562659316).

Almost surely, 2^{126727660640020} is an apocalyptic number.

126727660640020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126727660640020 is an abundant number, since it is smaller than the sum of its proper divisors (163699347007148).

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

126727660640020 is a wasteful number, since it uses less digits than its factorization.

126727660640020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209241720 (or 209241718 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 126727660640020 in words is "one hundred twenty-six trillion, seven hundred twenty-seven billion, six hundred sixty million, six hundred forty thousand, twenty".