124132140240 has 80 divisors (see below), whose sum is σ = 384849701376. Its totient is φ = 33098457600.

The previous prime is 124132140211. The next prime is 124132140281. The reversal of 124132140240 is 42041231421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 124132140240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981970 + ... + 3023310.

Almost surely, 2^124132140240 is an apocalyptic number.

124132140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124132140240 is an abundant number, since it is smaller than the sum of its proper divisors (260717561136).

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

124132140240 is a wasteful number, since it uses less digits than its factorization.

124132140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53868 (or 53862 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 124132140240 its reverse (42041231421), we get a palindrome (166173371661).

The spelling of 124132140240 in words is "one hundred twenty-four billion, one hundred thirty-two million, one hundred forty thousand, two hundred forty".