127230640 has 20 divisors (see below), whose sum is σ = 295811424. Its totient is φ = 50892224.

The previous prime is 127230629. The next prime is 127230659. The reversal of 127230640 is 46032721.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795112 + ... + 795271.

Almost surely, 2^127230640 is an apocalyptic number.

127230640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127230640 is an abundant number, since it is smaller than the sum of its proper divisors (168580784).

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

127230640 is a wasteful number, since it uses less digits than its factorization.

127230640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590396 (or 1590390 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 127230640 is about 11279.6560231241. The cubic root of 127230640 is about 502.9566684278.

The spelling of 127230640 in words is "one hundred twenty-seven million, two hundred thirty thousand, six hundred forty".