124304121 has 24 divisors (see below), whose sum is σ = 193826880. Its totient is φ = 76529376.

The previous prime is 124304113. The next prime is 124304123. The reversal of 124304121 is 121403421.

It is not a de Polignac number, because 124304121 - 2³ = 124304113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124304094 and 124304103.

It is not an unprimeable number, because it can be changed into a prime (124304123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4351 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (8076120).

Almost surely, 2^124304121 is an apocalyptic number.

It is an amenable number.

124304121 is a deficient number, since it is larger than the sum of its proper divisors (69522759).

124304121 is a wasteful number, since it uses less digits than its factorization.

124304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765 (or 20762 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 124304121 is about 11149.1757991342. The cubic root of 124304121 is about 499.0704342192.

Adding to 124304121 its reverse (121403421), we get a palindrome (245707542).

The spelling of 124304121 in words is "one hundred twenty-four million, three hundred four thousand, one hundred twenty-one".