124399999999 has 8 divisors (see below), whose sum is σ = 142851674880. Its totient is φ = 107138755800.

The previous prime is 124399999991. The next prime is 124400000033. The reversal of 124399999999 is 999999993421.

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 124399999999 - 2³ = 124399999991 is a prime.

It is a Duffinian number.

124399999999 is a modest number, since divided by 999999 gives 124399 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124399999991) 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, 297607447 + ... + 297607864.

It is an arithmetic number, because the mean of its divisors is an integer number (17856459360).

Almost surely, 2^124399999999 is an apocalyptic number.

124399999999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

124399999999 is a deficient number, since it is larger than the sum of its proper divisors (18451674881).

124399999999 is a wasteful number, since it uses less digits than its factorization.

124399999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595215341.

The product of its digits is 1033121304, while the sum is 82.

The spelling of 124399999999 in words is "one hundred twenty-four billion, three hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".