127321920160 has 48 divisors (see below), whose sum is σ = 311170393800. Its totient is φ = 49172601856.

The previous prime is 127321920127. The next prime is 127321920169. The reversal of 127321920160 is 61029123721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116223719056 + 11098201104 = 340916^2 + 105348^2 .

It is not an unprimeable number, because it can be changed into a prime (127321920169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13715395 + ... + 13724674.

Almost surely, 2^127321920160 is an apocalyptic number.

127321920160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127321920160 is an abundant number, since it is smaller than the sum of its proper divisors (183848473640).

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

127321920160 is a wasteful number, since it uses less digits than its factorization.

127321920160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27440113 (or 27440105 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 127321920160 in words is "one hundred twenty-seven billion, three hundred twenty-one million, nine hundred twenty thousand, one hundred sixty".