124401022400 has 168 divisors, whose sum is σ = 326185993296. Its totient is φ = 46533427200.

The previous prime is 124401022397. The next prime is 124401022453. The reversal of 124401022400 is 4220104421.

It is a super-2 number, since 2×124401022400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4255835 + ... + 4284965.

Almost surely, 2^124401022400 is an apocalyptic number.

124401022400 is a gapful number since it is divisible by the number (10) 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 124401022400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163092996648).

124401022400 is an abundant number, since it is smaller than the sum of its proper divisors (201784970896).

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

124401022400 is a wasteful number, since it uses less digits than its factorization.

124401022400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29327 (or 29312 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 124401022400 its reverse (4220104421), we get a palindrome (128621126821).

The spelling of 124401022400 in words is "one hundred twenty-four billion, four hundred one million, twenty-two thousand, four hundred".