127397 has 8 divisors (see below), whose sum is σ = 138240. Its totient is φ = 117040.

The previous prime is 127373. The next prime is 127399. The reversal of 127397 is 793721.

It is a happy number.

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 127397 - 2¹⁶ = 61861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127399) 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, 572 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹²⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

127397 is a deficient number, since it is larger than the sum of its proper divisors (10843).

127397 is a wasteful number, since it uses less digits than its factorization.

127397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 2646, while the sum is 29.

The square root of 127397 is about 356.9271634381. The cubic root of 127397 is about 50.3175786059.

The spelling of 127397 in words is "one hundred twenty-seven thousand, three hundred ninety-seven".