127872481 has 32 divisors (see below), whose sum is σ = 150151680. Its totient is φ = 107827200.

The previous prime is 127872473. The next prime is 127872499. The reversal of 127872481 is 184278721.

It is a cyclic number.

It is not a de Polignac number, because 127872481 - 2³ = 127872473 is a prime.

It is a super-2 number, since 2×127872481² = 32702742794190722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127872881) 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 31 ways as a sum of consecutive naturals, for example, 1318225 + ... + 1318321.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^127872481 is an apocalyptic number.

127872481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127872481 is a deficient number, since it is larger than the sum of its proper divisors (22279199).

127872481 is a wasteful number, since it uses less digits than its factorization.

127872481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 50176, while the sum is 40.

The square root of 127872481 is about 11308.0714978284. The cubic root of 127872481 is about 503.8010061504.

The spelling of 127872481 in words is "one hundred twenty-seven million, eight hundred seventy-two thousand, four hundred eighty-one".