124112102040 has 128 divisors (see below), whose sum is σ = 423797572800. Its totient is φ = 32289315840.

The previous prime is 124112102033. The next prime is 124112102041. The reversal of 124112102040 is 40201211421.

124112102040 is a `hidden beast` number, since 1 + 2 + 411 + 210 + 2 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124112102041) 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 31 ways as a sum of consecutive naturals, for example, 1357167 + ... + 1445726.

Almost surely, 2^124112102040 is an apocalyptic number.

124112102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124112102040 is an abundant number, since it is smaller than the sum of its proper divisors (299685470760).

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

124112102040 is a wasteful number, since it uses less digits than its factorization.

124112102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802954 (or 2802944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 124112102040 its reverse (40201211421), we get a palindrome (164313313461).

The spelling of 124112102040 in words is "one hundred twenty-four billion, one hundred twelve million, one hundred two thousand, forty".