127051664 has 20 divisors (see below), whose sum is σ = 246341004. Its totient is φ = 63479808.

The previous prime is 127051657. The next prime is 127051681. The reversal of 127051664 is 466150721.

It can be written as a sum of positive squares in 2 ways, for example, as 22848400 + 104203264 = 4780^2 + 10208^2 .

It is a super-2 number, since 2×127051664² = 32284250650337792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127051664.

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, 35024 + ... + 38480.

Almost surely, 2^127051664 is an apocalyptic number.

It is an amenable number.

127051664 is a deficient number, since it is larger than the sum of its proper divisors (119289340).

127051664 is a wasteful number, since it uses less digits than its factorization.

127051664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5756 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 127051664 is about 11271.7196558467. The cubic root of 127051664 is about 502.7207205070.

The spelling of 127051664 in words is "one hundred twenty-seven million, fifty-one thousand, six hundred sixty-four".