127628860 has 48 divisors (see below), whose sum is σ = 292965120. Its totient is φ = 46494720.

The previous prime is 127628857. The next prime is 127628861. The reversal of 127628860 is 68826721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127628861) 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 15 ways as a sum of consecutive naturals, for example, 4486 + ... + 16594.

It is an arithmetic number, because the mean of its divisors is an integer number (6103440).

Almost surely, 2^127628860 is an apocalyptic number.

127628860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127628860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146482560).

127628860 is an abundant number, since it is smaller than the sum of its proper divisors (165336260).

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

127628860 is a wasteful number, since it uses less digits than its factorization.

127628860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166 (or 12164 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 127628860 is about 11297.2943663516. The cubic root of 127628860 is about 503.4808576923.

The spelling of 127628860 in words is "one hundred twenty-seven million, six hundred twenty-eight thousand, eight hundred sixty".