124381980 has 168 divisors, whose sum is σ = 413154000. Its totient is φ = 31352832.

The previous prime is 124381973. The next prime is 124381993. The reversal of 124381980 is 89183421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 276796 + ... + 277244.

It is an arithmetic number, because the mean of its divisors is an integer number (2459250).

Almost surely, 2^124381980 is an apocalyptic number.

124381980 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 124381980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206577000).

124381980 is an abundant number, since it is smaller than the sum of its proper divisors (288772020).

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

124381980 is a wasteful number, since it uses less digits than its factorization.

124381980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 124381980 is about 11152.6669456234. Note that the first 3 decimals coincide. The cubic root of 124381980 is about 499.1746115509.

The spelling of 124381980 in words is "one hundred twenty-four million, three hundred eighty-one thousand, nine hundred eighty".