124466989664421 has 162 divisors, whose sum is σ = 190587851048322. Its totient is φ = 78265489766400.

The previous prime is 124466989664399. The next prime is 124466989664629.

124466989664421 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 6 + 6 + 98 + 96 + 6 + 442 + 1 = 666.

124466989664421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 27 ways, for example, as 9129377648196 + 115337612016225 = 3021486^2 + 10739535^2 .

It is not a de Polignac number, because 124466989664421 - 2²⁶ = 124466922555557 is a prime.

It is a super-2 number, since 2×124466989664421² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124466989664421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124466989614421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 908518172665 + ... + 908518172801.

Almost surely, 2^{124466989664421} is an apocalyptic number.

It is an amenable number.

124466989664421 is a deficient number, since it is larger than the sum of its proper divisors (66120861383901).

124466989664421 is an equidigital number, since it uses as much as digits as its factorization.

124466989664421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 351 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 72.

The spelling of 124466989664421 in words is "one hundred twenty-four trillion, four hundred sixty-six billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred twenty-one".