124191 has 6 divisors (see below), whose sum is σ = 179400. Its totient is φ = 82788.

The previous prime is 124183. The next prime is 124193. The reversal of 124191 is 191421.

It is not a de Polignac number, because 124191 - 2³ = 124183 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6891 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (29900).

2¹²⁴¹⁹¹ is an apocalyptic number.

124191 is a deficient number, since it is larger than the sum of its proper divisors (55209).

124191 is a wasteful number, since it uses less digits than its factorization.

124191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805 (or 13802 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 124191 is about 352.4074346548. The cubic root of 124191 is about 49.8918997886.

The spelling of 124191 in words is "one hundred twenty-four thousand, one hundred ninety-one".