127689752 has 16 divisors (see below), whose sum is σ = 239619600. Its totient is φ = 63791200.

The previous prime is 127689707. The next prime is 127689769. The reversal of 127689752 is 257986721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127689697 and 127689706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (14976225).

Almost surely, 2^127689752 is an apocalyptic number.

It is an amenable number.

127689752 is a deficient number, since it is larger than the sum of its proper divisors (111929848).

127689752 is a wasteful number, since it uses less digits than its factorization.

127689752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426 (or 13422 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 127689752 is about 11299.9890265433. The cubic root of 127689752 is about 503.5609155570.

The spelling of 127689752 in words is "one hundred twenty-seven million, six hundred eighty-nine thousand, seven hundred fifty-two".