124042072 has 64 divisors (see below), whose sum is σ = 294969600. Its totient is φ = 47495040.

The previous prime is 124042063. The next prime is 124042117. The reversal of 124042072 is 270240421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34638 + ... + 38050.

It is an arithmetic number, because the mean of its divisors is an integer number (4608900).

Almost surely, 2^124042072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124042072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147484800).

124042072 is an abundant number, since it is smaller than the sum of its proper divisors (170927528).

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

124042072 is a wasteful number, since it uses less digits than its factorization.

124042072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 124042072 is about 11137.4176540166. The cubic root of 124042072 is about 498.7194860342.

Adding to 124042072 its reverse (270240421), we get a palindrome (394282493).

The spelling of 124042072 in words is "one hundred twenty-four million, forty-two thousand, seventy-two".