124980720 has 80 divisors (see below), whose sum is σ = 400822560. Its totient is φ = 32177152.

The previous prime is 124980683. The next prime is 124980743. The reversal of 124980720 is 27089421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (5010282).

Almost surely, 2^124980720 is an apocalyptic number.

124980720 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 124980720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200411280).

124980720 is an abundant number, since it is smaller than the sum of its proper divisors (275841840).

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

124980720 is a wasteful number, since it uses less digits than its factorization.

124980720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002 (or 17996 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 124980720 is about 11179.4776264368. The cubic root of 124980720 is about 499.9742920116.

The spelling of 124980720 in words is "one hundred twenty-four million, nine hundred eighty thousand, seven hundred twenty".