124780239993 has 8 divisors (see below), whose sum is σ = 166423375008. Its totient is φ = 83161965824.

The previous prime is 124780239979. The next prime is 124780240031. The reversal of 124780239993 is 399932087421.

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 124780239993 - 2⁴ = 124780239977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124780231993) 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, 6203496 + ... + 6223577.

It is an arithmetic number, because the mean of its divisors is an integer number (20802921876).

Almost surely, 2^124780239993 is an apocalyptic number.

It is an amenable number.

124780239993 is a deficient number, since it is larger than the sum of its proper divisors (41643135015).

124780239993 is a wasteful number, since it uses less digits than its factorization.

124780239993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430423.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 124780239993 in words is "one hundred twenty-four billion, seven hundred eighty million, two hundred thirty-nine thousand, nine hundred ninety-three".