124108140 has 48 divisors (see below), whose sum is σ = 374236128. Its totient is φ = 30549504.

The previous prime is 124108111. The next prime is 124108147. The reversal of 124108140 is 41801421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124108147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78777 + ... + 80336.

It is an arithmetic number, because the mean of its divisors is an integer number (7796586).

Almost surely, 2^124108140 is an apocalyptic number.

124108140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124108140 is an abundant number, since it is smaller than the sum of its proper divisors (250127988).

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

124108140 is a wasteful number, since it uses less digits than its factorization.

124108140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159138 (or 159136 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 124108140 is about 11140.3832968170. The cubic root of 124108140 is about 498.8080139299.

Adding to 124108140 its reverse (41801421), we get a palindrome (165909561).

The spelling of 124108140 in words is "one hundred twenty-four million, one hundred eight thousand, one hundred forty".