124240341540 has 96 divisors (see below), whose sum is σ = 414854737920. Its totient is φ = 27163103616.

The previous prime is 124240341521. The next prime is 124240341557. The reversal of 124240341540 is 45143042421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 124240341498 and 124240341507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6421000 + ... + 6440319.

It is an arithmetic number, because the mean of its divisors is an integer number (4321403520).

Almost surely, 2^124240341540 is an apocalyptic number.

124240341540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124240341540 is an abundant number, since it is smaller than the sum of its proper divisors (290614396380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124240341540 is a wasteful number, since it uses less digits than its factorization.

124240341540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861361 (or 12861359 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 124240341540 its reverse (45143042421), we get a palindrome (169383383961).

The spelling of 124240341540 in words is "one hundred twenty-four billion, two hundred forty million, three hundred forty-one thousand, five hundred forty".