101187 has 6 divisors (see below), whose sum is σ = 146172. Its totient is φ = 67452.

The previous prime is 101183. The next prime is 101197. The reversal of 101187 is 781101.

101187 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 101187 - 2² = 101183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5613 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (24362).

2¹⁰¹¹⁸⁷ is an apocalyptic number.

101187 is a deficient number, since it is larger than the sum of its proper divisors (44985).

101187 is a wasteful number, since it uses less digits than its factorization.

101187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249 (or 11246 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 101187 is about 318.0990411806. The cubic root of 101187 is about 46.5988186380.

Adding to 101187 its reverse (781101), we get a palindrome (882288).

The spelling of 101187 in words is "one hundred one thousand, one hundred eighty-seven".