124227420217 has 8 divisors (see below), whose sum is σ = 126577065096. Its totient is φ = 121877987712.

The previous prime is 124227420203. The next prime is 124227420221. The reversal of 124227420217 is 712024722421.

It can be written as a sum of positive squares in 4 ways, for example, as 28070991936 + 96156428281 = 167544^2 + 310091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124227420217 - 2²³ = 124219031609 is a prime.

It is a super-2 number, since 2×124227420217² (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 (124227420017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623463 + ... + 1698259.

It is an arithmetic number, because the mean of its divisors is an integer number (15822133137).

Almost surely, 2^124227420217 is an apocalyptic number.

It is an amenable number.

124227420217 is a deficient number, since it is larger than the sum of its proper divisors (2349644879).

124227420217 is an equidigital number, since it uses as much as digits as its factorization.

124227420217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106187.

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 124227420217 in words is "one hundred twenty-four billion, two hundred twenty-seven million, four hundred twenty thousand, two hundred seventeen".