101387 has 8 divisors (see below), whose sum is σ = 119280. Its totient is φ = 84960.

The previous prime is 101383. The next prime is 101399. The reversal of 101387 is 783101.

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 101387 - 2² = 101383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101383) 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, 212 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (14910).

2¹⁰¹³⁸⁷ is an apocalyptic number.

101387 is a deficient number, since it is larger than the sum of its proper divisors (17893).

101387 is a wasteful number, since it uses less digits than its factorization.

101387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101387 is about 318.4132534930. The cubic root of 101387 is about 46.6294998855.

Adding to 101387 its reverse (783101), we get a palindrome (884488).

The spelling of 101387 in words is "one hundred one thousand, three hundred eighty-seven".