126881471830 has 32 divisors (see below), whose sum is σ = 242905630464. Its totient is φ = 47552925696.

The previous prime is 126881471777. The next prime is 126881471833. The reversal of 126881471830 is 38174188621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126881471833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635547 + ... + 1711366.

It is an arithmetic number, because the mean of its divisors is an integer number (7590800952).

Almost surely, 2^126881471830 is an apocalyptic number.

126881471830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126881471830 is a deficient number, since it is larger than the sum of its proper divisors (116024158634).

126881471830 is a wasteful number, since it uses less digits than its factorization.

126881471830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347160.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 126881471830 in words is "one hundred twenty-six billion, eight hundred eighty-one million, four hundred seventy-one thousand, eight hundred thirty".