101397 has 8 divisors (see below), whose sum is σ = 137344. Its totient is φ = 66528.

The previous prime is 101383. The next prime is 101399. The reversal of 101397 is 793101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101397 - 2⁶ = 101333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 101397.

It is not an unprimeable number, because it can be changed into a prime (101399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (17168).

2¹⁰¹³⁹⁷ is an apocalyptic number.

It is an amenable number.

101397 is a deficient number, since it is larger than the sum of its proper divisors (35947).

101397 is an equidigital number, since it uses as much as digits as its factorization.

101397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 101397 is about 318.4289559698. The cubic root of 101397 is about 46.6310328884.

Adding to 101397 its reverse (793101), we get a palindrome (894498).

The spelling of 101397 in words is "one hundred one thousand, three hundred ninety-seven".