124514221 has 4 divisors (see below), whose sum is σ = 134092252. Its totient is φ = 114936192.

The previous prime is 124514219. The next prime is 124514227. The reversal of 124514221 is 122415421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36360900 + 88153321 = 6030^2 + 9389^2 .

It is a cyclic number.

It is not a de Polignac number, because 124514221 - 2¹ = 124514219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124514192 and 124514201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124514227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788996 + ... + 4789021.

It is an arithmetic number, because the mean of its divisors is an integer number (33523063).

Almost surely, 2^124514221 is an apocalyptic number.

It is an amenable number.

124514221 is a deficient number, since it is larger than the sum of its proper divisors (9578031).

124514221 is an equidigital number, since it uses as much as digits as its factorization.

124514221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578030.

The product of its digits is 640, while the sum is 22.

The square root of 124514221 is about 11158.5940422618. The cubic root of 124514221 is about 499.3514538061.

Adding to 124514221 its reverse (122415421), we get a palindrome (246929642).

The spelling of 124514221 in words is "one hundred twenty-four million, five hundred fourteen thousand, two hundred twenty-one".