127285820 has 12 divisors (see below), whose sum is σ = 267300264. Its totient is φ = 50914320.

The previous prime is 127285813. The next prime is 127285849. The reversal of 127285820 is 28582721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182126 + ... + 3182165.

It is an arithmetic number, because the mean of its divisors is an integer number (22275022).

Almost surely, 2^127285820 is an apocalyptic number.

127285820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127285820 is an abundant number, since it is smaller than the sum of its proper divisors (140014444).

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

127285820 is a wasteful number, since it uses less digits than its factorization.

127285820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364300 (or 6364298 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 127285820 is about 11282.1017545491. The cubic root of 127285820 is about 503.0293687819.

The spelling of 127285820 in words is "one hundred twenty-seven million, two hundred eighty-five thousand, eight hundred twenty".