127538572 has 36 divisors (see below), whose sum is σ = 260419320. Its totient is φ = 54493824.

The previous prime is 127538569. The next prime is 127538599. The reversal of 127538572 is 275835721.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81348 + ... + 82900.

It is an arithmetic number, because the mean of its divisors is an integer number (7233870).

Almost surely, 2^127538572 is an apocalyptic number.

It is an amenable number.

127538572 is an abundant number, since it is smaller than the sum of its proper divisors (132880748).

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

127538572 is a wasteful number, since it uses less digits than its factorization.

127538572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1981 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 127538572 is about 11293.2976583459. The cubic root of 127538572 is about 503.3621045008.

The spelling of 127538572 in words is "one hundred twenty-seven million, five hundred thirty-eight thousand, five hundred seventy-two".