127805012 has 12 divisors (see below), whose sum is σ = 223792800. Its totient is φ = 63864216.

The previous prime is 127804991. The next prime is 127805017. The reversal of 127805012 is 210508721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127805017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (18649400).

Almost surely, 2^127805012 is an apocalyptic number.

It is an amenable number.

127805012 is a deficient number, since it is larger than the sum of its proper divisors (95987788).

127805012 is a wasteful number, since it uses less digits than its factorization.

127805012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19150 (or 19148 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 127805012 is about 11305.0878811268. The cubic root of 127805012 is about 503.7123841895.

The spelling of 127805012 in words is "one hundred twenty-seven million, eight hundred five thousand, twelve".