124381920 has 192 divisors, whose sum is σ = 436230144. Its totient is φ = 29583360.

The previous prime is 124381919. The next prime is 124381921. The reversal of 124381920 is 29183421.

It is an interprime number because it is at equal distance from previous prime (124381919) and next prime (124381921).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124381921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193119 + ... + 193761.

It is an arithmetic number, because the mean of its divisors is an integer number (2272032).

Almost surely, 2^124381920 is an apocalyptic number.

124381920 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 124381920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218115072).

124381920 is an abundant number, since it is smaller than the sum of its proper divisors (311848224).

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

124381920 is a wasteful number, since it uses less digits than its factorization.

124381920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 124381920 is about 11152.6642556835. The cubic root of 124381920 is about 499.1745312861.

The spelling of 124381920 in words is "one hundred twenty-four million, three hundred eighty-one thousand, nine hundred twenty".