124323320121 has 64 divisors (see below), whose sum is σ = 228580294656. Its totient is φ = 58004294400.

The previous prime is 124323320119. The next prime is 124323320123. The reversal of 124323320121 is 121023323421.

It is an interprime number because it is at equal distance from previous prime (124323320119) and next prime (124323320123).

It is not a de Polignac number, because 124323320121 - 2¹ = 124323320119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124323320091 and 124323320100.

It is not an unprimeable number, because it can be changed into a prime (124323320123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 448345 + ... + 670566.

It is an arithmetic number, because the mean of its divisors is an integer number (3571567104).

Almost surely, 2^124323320121 is an apocalyptic number.

124323320121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124323320121 is a deficient number, since it is larger than the sum of its proper divisors (104256974535).

124323320121 is a wasteful number, since it uses less digits than its factorization.

124323320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118982.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 124323320121 its reverse (121023323421), we get a palindrome (245346643542).

It can be divided in two parts, 124323 and 320121, that added together give a palindrome (444444).

The spelling of 124323320121 in words is "one hundred twenty-four billion, three hundred twenty-three million, three hundred twenty thousand, one hundred twenty-one".