124068191 has 4 divisors (see below), whose sum is σ = 133611912. Its totient is φ = 114524472.

The previous prime is 124068181. The next prime is 124068199. The reversal of 124068191 is 191860421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191860421 = 1319 ⋅145459.

It is a cyclic number.

It is not a de Polignac number, because 124068191 - 2⁶ = 124068127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124068199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771841 + ... + 4771866.

It is an arithmetic number, because the mean of its divisors is an integer number (33402978).

Almost surely, 2^124068191 is an apocalyptic number.

124068191 is a deficient number, since it is larger than the sum of its proper divisors (9543721).

124068191 is an equidigital number, since it uses as much as digits as its factorization.

124068191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543720.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 124068191 is about 11138.5901711123. The cubic root of 124068191 is about 498.7544879758.

The spelling of 124068191 in words is "one hundred twenty-four million, sixty-eight thousand, one hundred ninety-one".