127471864 has 16 divisors (see below), whose sum is σ = 257395320. Its totient is φ = 58833120.

The previous prime is 127471847. The next prime is 127471891. The reversal of 127471864 is 468174721.

It is a happy number.

It is a super-2 number, since 2×127471864² = 32498152223268992, which contains 22 as substring.

It is a congruent number.

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, 612742 + ... + 612949.

Almost surely, 2^127471864 is an apocalyptic number.

It is an amenable number.

127471864 is an abundant number, since it is smaller than the sum of its proper divisors (129923456).

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

127471864 is a wasteful number, since it uses less digits than its factorization.

127471864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225710 (or 1225706 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 127471864 is about 11290.3438388740. The cubic root of 127471864 is about 503.2743293942.

The spelling of 127471864 in words is "one hundred twenty-seven million, four hundred seventy-one thousand, eight hundred sixty-four".