124490243 has 4 divisors (see below), whose sum is σ = 128783040. Its totient is φ = 120197448.

The previous prime is 124490231. The next prime is 124490273. The reversal of 124490243 is 342094421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124490243 - 2¹⁰ = 124489219 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: 4292767 = 124490243 / (1 + 2 + 4 + 4 + 9 + 0 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124490273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146355 + ... + 2146412.

It is an arithmetic number, because the mean of its divisors is an integer number (32195760).

Almost surely, 2^124490243 is an apocalyptic number.

124490243 is a deficient number, since it is larger than the sum of its proper divisors (4292797).

124490243 is an equidigital number, since it uses as much as digits as its factorization.

124490243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292796.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 124490243 is about 11157.5195720196. The cubic root of 124490243 is about 499.3193979821.

The spelling of 124490243 in words is "one hundred twenty-four million, four hundred ninety thousand, two hundred forty-three".