127547690128 has 40 divisors (see below), whose sum is σ = 249222548736. Its totient is φ = 63234480000.

The previous prime is 127547690077. The next prime is 127547690141. The reversal of 127547690128 is 821096745721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824358 + ... + 966778.

Almost surely, 2^127547690128 is an apocalyptic number.

It is an amenable number.

127547690128 is a deficient number, since it is larger than the sum of its proper divisors (121674858608).

127547690128 is a wasteful number, since it uses less digits than its factorization.

127547690128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142903 (or 142897 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 127547690128 in words is "one hundred twenty-seven billion, five hundred forty-seven million, six hundred ninety thousand, one hundred twenty-eight".