127643132 has 12 divisors (see below), whose sum is σ = 223531056. Its totient is φ = 63777120.

The previous prime is 127643129. The next prime is 127643141. The reversal of 127643132 is 231346721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127643095 and 127643104.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4169 + ... + 16512.

It is an arithmetic number, because the mean of its divisors is an integer number (18627588).

Almost surely, 2^127643132 is an apocalyptic number.

It is an amenable number.

127643132 is a deficient number, since it is larger than the sum of its proper divisors (95887924).

127643132 is a wasteful number, since it uses less digits than its factorization.

127643132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22228 (or 22226 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 127643132 is about 11297.9260043603. The cubic root of 127643132 is about 503.4996241139.

Adding to 127643132 its reverse (231346721), we get a palindrome (358989853).

The spelling of 127643132 in words is "one hundred twenty-seven million, six hundred forty-three thousand, one hundred thirty-two".