124100140 has 12 divisors (see below), whose sum is σ = 260610336. Its totient is φ = 49640048.

The previous prime is 124100131. The next prime is 124100143. The reversal of 124100140 is 41001421.

It is a self number, because there is not a number n which added to its sum of digits gives 124100140.

It is not an unprimeable number, because it can be changed into a prime (124100143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102484 + ... + 3102523.

It is an arithmetic number, because the mean of its divisors is an integer number (21717528).

Almost surely, 2^124100140 is an apocalyptic number.

124100140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124100140 is an abundant number, since it is smaller than the sum of its proper divisors (136510196).

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

124100140 is a wasteful number, since it uses less digits than its factorization.

124100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205016 (or 6205014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 124100140 is about 11140.0242369575. The cubic root of 124100140 is about 498.7972959924.

Adding to 124100140 its reverse (41001421), we get a palindrome (165101561).

The spelling of 124100140 in words is "one hundred twenty-four million, one hundred thousand, one hundred forty".