124768641 has 4 divisors (see below), whose sum is σ = 166358192. Its totient is φ = 83179092.

The previous prime is 124768621. The next prime is 124768667. The reversal of 124768641 is 146867421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124768641 - 2¹⁹ = 124244353 is a prime.

It is a super-3 number, since 3×124768641³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124768641.

It is not an unprimeable number, because it can be changed into a prime (124768601) 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, 20794771 + ... + 20794776.

It is an arithmetic number, because the mean of its divisors is an integer number (41589548).

Almost surely, 2^124768641 is an apocalyptic number.

It is an amenable number.

124768641 is a deficient number, since it is larger than the sum of its proper divisors (41589551).

124768641 is an equidigital number, since it uses as much as digits as its factorization.

124768641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41589550.

The product of its digits is 64512, while the sum is 39.

The square root of 124768641 is about 11169.9884064398. The cubic root of 124768641 is about 499.6913308192.

The spelling of 124768641 in words is "one hundred twenty-four million, seven hundred sixty-eight thousand, six hundred forty-one".