124680438191 has 32 divisors (see below), whose sum is σ = 138471856128. Its totient is φ = 111661355520.

The previous prime is 124680438163. The next prime is 124680438199. The reversal of 124680438191 is 191834086421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 124680438191 - 2¹⁴ = 124680421807 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 (124680438199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87617306 + ... + 87618728.

It is an arithmetic number, because the mean of its divisors is an integer number (4327245504).

Almost surely, 2^124680438191 is an apocalyptic number.

124680438191 is a deficient number, since it is larger than the sum of its proper divisors (13791417937).

124680438191 is a wasteful number, since it uses less digits than its factorization.

124680438191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 124680438191 in words is "one hundred twenty-four billion, six hundred eighty million, four hundred thirty-eight thousand, one hundred ninety-one".