124134940 has 12 divisors (see below), whose sum is σ = 260683416. Its totient is φ = 49653968.

The previous prime is 124134931. The next prime is 124134947. The reversal of 124134940 is 49431421.

It is a junction number, because it is equal to n+sod(n) for n = 124134899 and 124134908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124134947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103354 + ... + 3103393.

It is an arithmetic number, because the mean of its divisors is an integer number (21723618).

Almost surely, 2^124134940 is an apocalyptic number.

124134940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124134940 is an abundant number, since it is smaller than the sum of its proper divisors (136548476).

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

124134940 is a wasteful number, since it uses less digits than its factorization.

124134940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206756 (or 6206754 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 124134940 is about 11141.5860630343. The cubic root of 124134940 is about 498.8439156649.

The spelling of 124134940 in words is "one hundred twenty-four million, one hundred thirty-four thousand, nine hundred forty".