124271713645 has 8 divisors (see below), whose sum is σ = 154268334360. Its totient is φ = 95989185600.

The previous prime is 124271713607. The next prime is 124271713649. The reversal of 124271713645 is 546317172421.

It can be written as a sum of positive squares in 4 ways, for example, as 4325166756 + 119946546889 = 65766^2 + 346333^2 .

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

It is not a de Polignac number, because 124271713645 - 2²³ = 124263325037 is a prime.

It is a super-3 number, since 3×124271713645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124271713649) 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, 428523006 + ... + 428523295.

It is an arithmetic number, because the mean of its divisors is an integer number (19283541795).

Almost surely, 2^124271713645 is an apocalyptic number.

It is an amenable number.

124271713645 is a deficient number, since it is larger than the sum of its proper divisors (29996620715).

124271713645 is an equidigital number, since it uses as much as digits as its factorization.

124271713645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857046335.

The product of its digits is 282240, while the sum is 43.

The spelling of 124271713645 in words is "one hundred twenty-four billion, two hundred seventy-one million, seven hundred thirteen thousand, six hundred forty-five".