127100505434 has 48 divisors (see below), whose sum is σ = 233506437120. Its totient is φ = 51592222080.

The previous prime is 127100505409. The next prime is 127100505439. The reversal of 127100505434 is 434505001721.

It is a self number, because there is not a number n which added to its sum of digits gives 127100505434.

It is not an unprimeable number, because it can be changed into a prime (127100505439) by changing a digit.

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, 15042599 + ... + 15051045.

It is an arithmetic number, because the mean of its divisors is an integer number (4864717440).

Almost surely, 2^127100505434 is an apocalyptic number.

127100505434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127100505434 is a deficient number, since it is larger than the sum of its proper divisors (106405931686).

127100505434 is a wasteful number, since it uses less digits than its factorization.

127100505434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 127100505434 in words is "one hundred twenty-seven billion, one hundred million, five hundred five thousand, four hundred thirty-four".