124123104 has 120 divisors (see below), whose sum is σ = 417252528. Its totient is φ = 35458560.

The previous prime is 124123093. The next prime is 124123133. The reversal of 124123104 is 401321421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 14724 + ... + 21564.

Almost surely, 2^124123104 is an apocalyptic number.

124123104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124123104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208626264).

124123104 is an abundant number, since it is smaller than the sum of its proper divisors (293129424).

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

124123104 is an equidigital number, since it uses as much as digits as its factorization.

124123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870 (or 6853 counting only the distinct ones).

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

The square root of 124123104 is about 11141.0548872178. The cubic root of 124123104 is about 498.8280605955.

Adding to 124123104 its reverse (401321421), we get a palindrome (525444525).

The spelling of 124123104 in words is "one hundred twenty-four million, one hundred twenty-three thousand, one hundred four".