124313142243240 has 48 divisors (see below), whose sum is σ = 404017712291700. Its totient is φ = 33150171264768.

The previous prime is 124313142243239. The next prime is 124313142243247. The reversal of 124313142243240 is 42342241313421.

124313142243240 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 131 + 42 + 243 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 105121015145316 + 19192127097924 = 10252854^2 + 4380882^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124313142243195 and 124313142243204.

It is not an unprimeable number, because it can be changed into a prime (124313142243247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172657141645 + ... + 172657142364.

Almost surely, 2^{124313142243240} is an apocalyptic number.

124313142243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124313142243240 is an abundant number, since it is smaller than the sum of its proper divisors (279704570048460).

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

124313142243240 is a wasteful number, since it uses less digits than its factorization.

124313142243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345314284026 (or 345314284019 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 124313142243240 its reverse (42342241313421), we get a palindrome (166655383556661).

The spelling of 124313142243240 in words is "one hundred twenty-four trillion, three hundred thirteen billion, one hundred forty-two million, two hundred forty-three thousand, two hundred forty".