100124140 has 12 divisors (see below), whose sum is σ = 210260736. Its totient is φ = 40049648.

The previous prime is 100124117. The next prime is 100124149. The reversal of 100124140 is 41421001.

It is a self number, because there is not a number n which added to its sum of digits gives 100124140.

It is not an unprimeable number, because it can be changed into a prime (100124149) 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, 2503084 + ... + 2503123.

It is an arithmetic number, because the mean of its divisors is an integer number (17521728).

Almost surely, 2^100124140 is an apocalyptic number.

100124140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100124140 is an abundant number, since it is smaller than the sum of its proper divisors (110136596).

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

100124140 is a wasteful number, since it uses less digits than its factorization.

100124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006216 (or 5006214 counting only the distinct ones).

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

The square root of 100124140 is about 10006.2050748523. The cubic root of 100124140 is about 464.3508728839.

Adding to 100124140 its reverse (41421001), we get a palindrome (141545141).

The spelling of 100124140 in words is "one hundred million, one hundred twenty-four thousand, one hundred forty".