124121118 has 32 divisors (see below), whose sum is σ = 274861440. Its totient is φ = 37049760.

The previous prime is 124121093. The next prime is 124121119. The reversal of 124121118 is 811121421.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124121094 and 124121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121119) 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, 9613 + ... + 18456.

It is an arithmetic number, because the mean of its divisors is an integer number (8589420).

Almost surely, 2^124121118 is an apocalyptic number.

124121118 is an abundant number, since it is smaller than the sum of its proper divisors (150740322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124121118 is a wasteful number, since it uses less digits than its factorization.

124121118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28152.

The product of its digits is 128, while the sum is 21.

The square root of 124121118 is about 11140.9657570607. The cubic root of 124121118 is about 498.8254001244.

Adding to 124121118 its reverse (811121421), we get a palindrome (935242539).

It can be divided in two parts, 12412 and 1118, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 124121118 in words is "one hundred twenty-four million, one hundred twenty-one thousand, one hundred eighteen".