124217472 has 64 divisors (see below), whose sum is σ = 335424960. Its totient is φ = 40719360.

The previous prime is 124217461. The next prime is 124217491. The reversal of 124217472 is 274712421.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20773 + ... + 26075.

It is an arithmetic number, because the mean of its divisors is an integer number (5241015).

Almost surely, 2^124217472 is an apocalyptic number.

124217472 is a gapful number since it is divisible by the number (12) 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 124217472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167712480).

124217472 is an abundant number, since it is smaller than the sum of its proper divisors (211207488).

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

124217472 is an equidigital number, since it uses as much as digits as its factorization.

124217472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381 (or 5369 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 124217472 is about 11145.2892290869. The cubic root of 124217472 is about 498.9544444846.

Adding to 124217472 its reverse (274712421), we get a palindrome (398929893).

The spelling of 124217472 in words is "one hundred twenty-four million, two hundred seventeen thousand, four hundred seventy-two".