127528948420 has 24 divisors (see below), whose sum is σ = 268384281984. Its totient is φ = 50902343136.

The previous prime is 127528948409. The next prime is 127528948427. The reversal of 127528948420 is 24849825721.

It is a super-2 number, since 2×127528948420² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (127528948427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6817692 + ... + 6836371.

It is an arithmetic number, because the mean of its divisors is an integer number (11182678416).

Almost surely, 2^127528948420 is an apocalyptic number.

127528948420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127528948420 is an abundant number, since it is smaller than the sum of its proper divisors (140855333564).

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

127528948420 is a wasteful number, since it uses less digits than its factorization.

127528948420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654539 (or 13654537 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 127528948420 in words is "one hundred twenty-seven billion, five hundred twenty-eight million, nine hundred forty-eight thousand, four hundred twenty".