124321408 has 128 divisors (see below), whose sum is σ = 287884800. Its totient is φ = 53084160.

The previous prime is 124321403. The next prime is 124321423. The reversal of 124321408 is 804123421.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (124321403) 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, 1281616 + ... + 1281712.

It is an arithmetic number, because the mean of its divisors is an integer number (2249100).

Almost surely, 2^124321408 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 124321408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143942400).

124321408 is an abundant number, since it is smaller than the sum of its proper divisors (163563392).

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

124321408 is a wasteful number, since it uses less digits than its factorization.

124321408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 124321408 is about 11149.9510312826. The cubic root of 124321408 is about 499.0935684232.

Adding to 124321408 its reverse (804123421), we get a palindrome (928444829).

The spelling of 124321408 in words is "one hundred twenty-four million, three hundred twenty-one thousand, four hundred eight".