127438093 has 8 divisors (see below), whose sum is σ = 132521400. Its totient is φ = 122400768.

The previous prime is 127438081. The next prime is 127438097. The reversal of 127438093 is 390834721.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 126945289 = 702^2 + 11267^2 .

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 127438093 - 2¹⁷ = 127307021 is a prime.

It is a super-3 number, since 3×127438093³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127438097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5788 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (16565175).

Almost surely, 2^127438093 is an apocalyptic number.

It is an amenable number.

127438093 is a deficient number, since it is larger than the sum of its proper divisors (5083307).

127438093 is a wasteful number, since it uses less digits than its factorization.

127438093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22991.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 127438093 is about 11288.8481697647. The cubic root of 127438093 is about 503.2298814719.

The spelling of 127438093 in words is "one hundred twenty-seven million, four hundred thirty-eight thousand, ninety-three".