127985020 has 12 divisors (see below), whose sum is σ = 268768584. Its totient is φ = 51194000.

The previous prime is 127985009. The next prime is 127985021. The reversal of 127985020 is 20589721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127985021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3199606 + ... + 3199645.

It is an arithmetic number, because the mean of its divisors is an integer number (22397382).

Almost surely, 2^127985020 is an apocalyptic number.

127985020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127985020 is an abundant number, since it is smaller than the sum of its proper divisors (140783564).

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

127985020 is a wasteful number, since it uses less digits than its factorization.

127985020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399260 (or 6399258 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 127985020 is about 11313.0464508902. The cubic root of 127985020 is about 503.9487591729.

The spelling of 127985020 in words is "one hundred twenty-seven million, nine hundred eighty-five thousand, twenty".