127921004 has 24 divisors (see below), whose sum is σ = 232931328. Its totient is φ = 61402320.

The previous prime is 127920997. The next prime is 127921019. The reversal of 127921004 is 400129721.

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, 11687 + ... + 19809.

It is an arithmetic number, because the mean of its divisors is an integer number (9705472).

Almost surely, 2^127921004 is an apocalyptic number.

It is an amenable number.

127921004 is a deficient number, since it is larger than the sum of its proper divisors (105010324).

127921004 is a wasteful number, since it uses less digits than its factorization.

127921004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8285 (or 8283 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 127921004 is about 11310.2167972148. The cubic root of 127921004 is about 503.8647228692.

The spelling of 127921004 in words is "one hundred twenty-seven million, nine hundred twenty-one thousand, four".