124323281472 has 224 divisors, whose sum is σ = 378247339008. Its totient is φ = 35738486784.

The previous prime is 124323281461. The next prime is 124323281491. The reversal of 124323281472 is 274182323421.

It is a super-2 number, since 2×124323281472² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 124323281472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443363 + ... + 2493725.

It is an arithmetic number, because the mean of its divisors is an integer number (1688604192).

Almost surely, 2^124323281472 is an apocalyptic number.

124323281472 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 124323281472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189123669504).

124323281472 is an abundant number, since it is smaller than the sum of its proper divisors (253924057536).

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

124323281472 is a wasteful number, since it uses less digits than its factorization.

124323281472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50457 (or 50447 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The spelling of 124323281472 in words is "one hundred twenty-four billion, three hundred twenty-three million, two hundred eighty-one thousand, four hundred seventy-two".