124163786940 has 24 divisors (see below), whose sum is σ = 347658603600. Its totient is φ = 33110343168.

The previous prime is 124163786909. The next prime is 124163786959. The reversal of 124163786940 is 49687361421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034698165 + ... + 1034698284.

It is an arithmetic number, because the mean of its divisors is an integer number (14485775150).

Almost surely, 2^124163786940 is an apocalyptic number.

124163786940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124163786940 is an abundant number, since it is smaller than the sum of its proper divisors (223494816660).

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

124163786940 is a wasteful number, since it uses less digits than its factorization.

124163786940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069396461 (or 2069396459 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 124163786940 in words is "one hundred twenty-four billion, one hundred sixty-three million, seven hundred eighty-six thousand, nine hundred forty".