124066891868 has 12 divisors (see below), whose sum is σ = 219266735352. Its totient is φ = 61419253200.

The previous prime is 124066891867. The next prime is 124066891903. The reversal of 124066891868 is 868198660421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124066891867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 153547730 + ... + 153548537.

It is an arithmetic number, because the mean of its divisors is an integer number (18272227946).

Almost surely, 2^124066891868 is an apocalyptic number.

It is an amenable number.

124066891868 is a deficient number, since it is larger than the sum of its proper divisors (95199843484).

124066891868 is a wasteful number, since it uses less digits than its factorization.

124066891868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307096372 (or 307096370 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 59.

The spelling of 124066891868 in words is "one hundred twenty-four billion, sixty-six million, eight hundred ninety-one thousand, eight hundred sixty-eight".