127630840 has 32 divisors (see below), whose sum is σ = 287592480. Its totient is φ = 50977152.

The previous prime is 127630831. The next prime is 127630859. The reversal of 127630840 is 48036721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30982 + ... + 34858.

It is an arithmetic number, because the mean of its divisors is an integer number (8987265).

Almost surely, 2^127630840 is an apocalyptic number.

127630840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127630840 is an abundant number, since it is smaller than the sum of its proper divisors (159961640).

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

127630840 is a wasteful number, since it uses less digits than its factorization.

127630840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 127630840 is about 11297.3819976134. The cubic root of 127630840 is about 503.4834613013.

The spelling of 127630840 in words is "one hundred twenty-seven million, six hundred thirty thousand, eight hundred forty".