124780231643 has 8 divisors (see below), whose sum is σ = 125866587648. Its totient is φ = 123695498304.

The previous prime is 124780231579. The next prime is 124780231657. The reversal of 124780231643 is 346132087421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124780231643 - 2⁶ = 124780231579 is a prime.

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 124780231643.

It is not an unprimeable number, because it can be changed into a prime (124780231243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250946 + ... + 559047.

It is an arithmetic number, because the mean of its divisors is an integer number (15733323456).

Almost surely, 2^124780231643 is an apocalyptic number.

124780231643 is a deficient number, since it is larger than the sum of its proper divisors (1086356005).

124780231643 is a wasteful number, since it uses less digits than its factorization.

124780231643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811333.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 124780231643 in words is "one hundred twenty-four billion, seven hundred eighty million, two hundred thirty-one thousand, six hundred forty-three".