124303121 has 4 divisors (see below), whose sum is σ = 124494132. Its totient is φ = 124112112.

The previous prime is 124303117. The next prime is 124303139. The reversal of 124303121 is 121303421.

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 8202496 + 116100625 = 2864^2 + 10775^2 .

It is a cyclic number.

It is not a de Polignac number, because 124303121 - 2² = 124303117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124303121.

It is not an unprimeable number, because it can be changed into a prime (124303141) 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, 94526 + ... + 95831.

It is an arithmetic number, because the mean of its divisors is an integer number (31123533).

Almost surely, 2^124303121 is an apocalyptic number.

It is an amenable number.

124303121 is a deficient number, since it is larger than the sum of its proper divisors (191011).

124303121 is an equidigital number, since it uses as much as digits as its factorization.

124303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191010.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 124303121 is about 11149.1309526797. The cubic root of 124303121 is about 499.0690959108.

Adding to 124303121 its reverse (121303421), we get a palindrome (245606542).

It can be divided in two parts, 12430 and 3121, that added together give a palindrome (15551).

The spelling of 124303121 in words is "one hundred twenty-four million, three hundred three thousand, one hundred twenty-one".