127144445650 has 24 divisors (see below), whose sum is σ = 236604051684. Its totient is φ = 50832964800.

The previous prime is 127144445627. The next prime is 127144445669. The reversal of 127144445650 is 56544441721.

It can be written as a sum of positive squares in 6 ways, for example, as 22783789249 + 104360656401 = 150943^2 + 323049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127144445597 and 127144445606.

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 11 ways as a sum of consecutive naturals, for example, 516661 + ... + 721960.

Almost surely, 2^127144445650 is an apocalyptic number.

127144445650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127144445650 is a deficient number, since it is larger than the sum of its proper divisors (109459606034).

127144445650 is a wasteful number, since it uses less digits than its factorization.

127144445650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240686 (or 1240681 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 127144445650 in words is "one hundred twenty-seven billion, one hundred forty-four million, four hundred forty-five thousand, six hundred fifty".