127500481 has 8 divisors (see below), whose sum is σ = 129524904. Its totient is φ = 125491200.

The previous prime is 127500467. The next prime is 127500497. The reversal of 127500481 is 184005721.

It can be written as a sum of positive squares in 4 ways, for example, as 71250481 + 56250000 = 8441^2 + 7500^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127500481 - 2⁵ = 127500449 is a prime.

It is a super-2 number, since 2×127500481² = 32512745310462722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127500281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13825 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (16190613).

Almost surely, 2^127500481 is an apocalyptic number.

It is an amenable number.

127500481 is a deficient number, since it is larger than the sum of its proper divisors (2024423).

127500481 is a wasteful number, since it uses less digits than its factorization.

127500481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 127500481 is about 11291.6110896541. The cubic root of 127500481 is about 503.3119877015.

The spelling of 127500481 in words is "one hundred twenty-seven million, five hundred thousand, four hundred eighty-one".