124116491 has 4 divisors (see below), whose sum is σ = 128396400. Its totient is φ = 119836584.

The previous prime is 124116481. The next prime is 124116511. The reversal of 124116491 is 194611421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194611421 = 43 ⋅4525847.

It is not a de Polignac number, because 124116491 - 2⁶ = 124116427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4279879 = 124116491 / (1 + 2 + 4 + 1 + 1 + 6 + 4 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124116451) 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, 2139911 + ... + 2139968.

It is an arithmetic number, because the mean of its divisors is an integer number (32099100).

Almost surely, 2^124116491 is an apocalyptic number.

124116491 is a deficient number, since it is larger than the sum of its proper divisors (4279909).

124116491 is an equidigital number, since it uses as much as digits as its factorization.

124116491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279908.

The product of its digits is 1728, while the sum is 29.

The square root of 124116491 is about 11140.7580980829. The cubic root of 124116491 is about 498.8192016256.

The spelling of 124116491 in words is "one hundred twenty-four million, one hundred sixteen thousand, four hundred ninety-one".