124225920 has 512 divisors, whose sum is σ = 548352000. Its totient is φ = 25878528.

The previous prime is 124225903. The next prime is 124225943. The reversal of 124225920 is 29522421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1572441 + ... + 1572519.

It is an arithmetic number, because the mean of its divisors is an integer number (1071000).

Almost surely, 2^124225920 is an apocalyptic number.

124225920 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 124225920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274176000).

124225920 is an abundant number, since it is smaller than the sum of its proper divisors (424126080).

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

124225920 is a wasteful number, since it uses less digits than its factorization.

124225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 124225920 is about 11145.6682168455. The cubic root of 124225920 is about 498.9657554850.

124225920 divided by its product of nonzero digits (2880) gives a palindrome (43134).

The spelling of 124225920 in words is "one hundred twenty-four million, two hundred twenty-five thousand, nine hundred twenty".