127643052 has 12 divisors (see below), whose sum is σ = 297833816. Its totient is φ = 42547680.

The previous prime is 127643039. The next prime is 127643057. The reversal of 127643052 is 250346721.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (127643057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318449 + ... + 5318472.

Almost surely, 2^127643052 is an apocalyptic number.

127643052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127643052 is an abundant number, since it is smaller than the sum of its proper divisors (170190764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127643052 is a wasteful number, since it uses less digits than its factorization.

127643052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636928 (or 10636926 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 127643052 is about 11297.9224638869. The cubic root of 127643052 is about 503.4995189248.

Adding to 127643052 its reverse (250346721), we get a palindrome (377989773).

The spelling of 127643052 in words is "one hundred twenty-seven million, six hundred forty-three thousand, fifty-two".