127530381 has 8 divisors (see below), whose sum is σ = 185498784. Its totient is φ = 77291120.

The previous prime is 127530367. The next prime is 127530401. The reversal of 127530381 is 183035721.

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 127530381 - 2¹⁵ = 127497613 is a prime.

It is a super-2 number, since 2×127530381² = 32527996156010322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127530341) 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 7 ways as a sum of consecutive naturals, for example, 1932246 + ... + 1932311.

It is an arithmetic number, because the mean of its divisors is an integer number (23187348).

Almost surely, 2^127530381 is an apocalyptic number.

127530381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127530381 is a deficient number, since it is larger than the sum of its proper divisors (57968403).

127530381 is a wasteful number, since it uses less digits than its factorization.

127530381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864571.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 127530381 is about 11292.9350037977. The cubic root of 127530381 is about 503.3513283432.

The spelling of 127530381 in words is "one hundred twenty-seven million, five hundred thirty thousand, three hundred eighty-one".