124121133 has 16 divisors (see below), whose sum is σ = 191879040. Its totient is φ = 79149312.

The previous prime is 124121119. The next prime is 124121141. The reversal of 124121133 is 331121421.

It is a de Polignac number, because none of the positive numbers 2^k-124121133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99316 + ... + 100557.

It is an arithmetic number, because the mean of its divisors is an integer number (11992440).

Almost surely, 2^124121133 is an apocalyptic number.

It is an amenable number.

124121133 is a deficient number, since it is larger than the sum of its proper divisors (67757907).

124121133 is a wasteful number, since it uses less digits than its factorization.

124121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199905 (or 199899 counting only the distinct ones).

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

The square root of 124121133 is about 11140.9664302519. The cubic root of 124121133 is about 498.8254202187.

Adding to 124121133 its reverse (331121421), we get a palindrome (455242554).

The spelling of 124121133 in words is "one hundred twenty-four million, one hundred twenty-one thousand, one hundred thirty-three".