127046728 has 8 divisors (see below), whose sum is σ = 238212630. Its totient is φ = 63523360.

The previous prime is 127046723. The next prime is 127046783. The reversal of 127046728 is 827640721.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 56520324 = 8398^2 + 7518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127046728² = 32281742191011968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (127046723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940413 + ... + 7940428.

Almost surely, 2^127046728 is an apocalyptic number.

It is an amenable number.

127046728 is a deficient number, since it is larger than the sum of its proper divisors (111165902).

127046728 is a wasteful number, since it uses less digits than its factorization.

127046728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880847 (or 15880843 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 127046728 is about 11271.5006986648. The cubic root of 127046728 is about 502.7142101328.

The spelling of 127046728 in words is "one hundred twenty-seven million, forty-six thousand, seven hundred twenty-eight".