124271666432 has 36 divisors (see below), whose sum is σ = 248157582036. Its totient is φ = 62110863360.

The previous prime is 124271666417. The next prime is 124271666443. The reversal of 124271666432 is 234666172421.

It can be written as a sum of positive squares in 2 ways, for example, as 2710660096 + 121561006336 = 52064^2 + 348656^2 .

It is a super-2 number, since 2×124271666432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 549098 + ... + 741654.

Almost surely, 2^124271666432 is an apocalyptic number.

It is an amenable number.

124271666432 is a deficient number, since it is larger than the sum of its proper divisors (123885915604).

124271666432 is an equidigital number, since it uses as much as digits as its factorization.

124271666432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195094 (or 195080 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The spelling of 124271666432 in words is "one hundred twenty-four billion, two hundred seventy-one million, six hundred sixty-six thousand, four hundred thirty-two".