127243 has 8 divisors (see below), whose sum is σ = 138320. Its totient is φ = 116640.

The previous prime is 127241. The next prime is 127247. The reversal of 127243 is 342721.

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 127243 - 2¹ = 127241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a d-powerful number, because it can be written as 1 + 2¹⁵ + 2¹⁵ + 7⁴ + 4⁴ + 3¹⁰ .

127243 is a lucky number.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 127243.

It is not an unprimeable number, because it can be changed into a prime (127241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (17290).

2¹²⁷²⁴³ is an apocalyptic number.

127243 is a deficient number, since it is larger than the sum of its proper divisors (11077).

127243 is a wasteful number, since it uses less digits than its factorization.

127243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 336, while the sum is 19.

The square root of 127243 is about 356.7113679153. The cubic root of 127243 is about 50.2972954712.

Adding to 127243 its reverse (342721), we get a palindrome (469964).

The spelling of 127243 in words is "one hundred twenty-seven thousand, two hundred forty-three", and thus it is an iban number.