127152728 has 8 divisors (see below), whose sum is σ = 238411380. Its totient is φ = 63576360.

The previous prime is 127152713. The next prime is 127152761. The reversal of 127152728 is 827251721.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7947038 + ... + 7947053.

Almost surely, 2^127152728 is an apocalyptic number.

It is an amenable number.

127152728 is a deficient number, since it is larger than the sum of its proper divisors (111258652).

127152728 is a wasteful number, since it uses less digits than its factorization.

127152728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894097 (or 15894093 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 127152728 is about 11276.2018428192. The cubic root of 127152728 is about 502.8539825719.

The spelling of 127152728 in words is "one hundred twenty-seven million, one hundred fifty-two thousand, seven hundred twenty-eight".