124179416881 has 9 divisors (see below), whose sum is σ = 134471429931. Its totient is φ = 114622925352.

The previous prime is 124179416869. The next prime is 124179416903. The reversal of 124179416881 is 188614971421.

The square root of 124179416881 is 352391.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18369736225 + 105809680656 = 135535^2 + 325284^2 .

It is not a de Polignac number, because 124179416881 - 2⁹ = 124179416369 is a prime.

It is a super-2 number, since 2×124179416881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124179416831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4567530 + ... + 4594636.

Almost surely, 2^124179416881 is an apocalyptic number.

124179416881 is the 352391-st square number.

124179416881 is the 176196-th centered octagonal number.

It is an amenable number.

124179416881 is a deficient number, since it is larger than the sum of its proper divisors (10292013050).

124179416881 is an frugal number, since it uses more digits than its factorization.

124179416881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54240 (or 27120 counting only the distinct ones).

The product of its digits is 774144, while the sum is 52.

The spelling of 124179416881 in words is "one hundred twenty-four billion, one hundred seventy-nine million, four hundred sixteen thousand, eight hundred eighty-one".