127484435930721 has 16 divisors (see below), whose sum is σ = 180000000442368. Its totient is φ = 79980468422400.

The previous prime is 127484435930713. The next prime is 127484435930749. The reversal of 127484435930721 is 127039534484721.

It is not a de Polignac number, because 127484435930721 - 2³ = 127484435930713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127484435930221) 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, 152170150 + ... + 153005631.

It is an arithmetic number, because the mean of its divisors is an integer number (11250000027648).

Almost surely, 2^{127484435930721} is an apocalyptic number.

It is an amenable number.

127484435930721 is a deficient number, since it is larger than the sum of its proper divisors (52515564511647).

127484435930721 is a wasteful number, since it uses less digits than its factorization.

127484435930721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305183992.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 127484435930721 in words is "one hundred twenty-seven trillion, four hundred eighty-four billion, four hundred thirty-five million, nine hundred thirty thousand, seven hundred twenty-one".