124133121 has 24 divisors (see below), whose sum is σ = 213927840. Its totient is φ = 70932456.

The previous prime is 124133101. The next prime is 124133123. The reversal of 124133121 is 121331421.

It is not a de Polignac number, because 124133121 - 2⁵ = 124133089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124133094 and 124133103.

It is not an unprimeable number, because it can be changed into a prime (124133123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45591 + ... + 48236.

It is an arithmetic number, because the mean of its divisors is an integer number (8913660).

Almost surely, 2^124133121 is an apocalyptic number.

It is an amenable number.

124133121 is a deficient number, since it is larger than the sum of its proper divisors (89794719).

124133121 is an equidigital number, since it uses as much as digits as its factorization.

124133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93850 (or 93837 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 124133121 is about 11141.5044316286. The cubic root of 124133121 is about 498.8414790651.

Adding to 124133121 its reverse (121331421), we get a palindrome (245464542).

The spelling of 124133121 in words is "one hundred twenty-four million, one hundred thirty-three thousand, one hundred twenty-one".