124257120 has 96 divisors (see below), whose sum is σ = 421539552. Its totient is φ = 30584832.

The previous prime is 124257113. The next prime is 124257139. The reversal of 124257120 is 21752421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3717 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (4391037).

Almost surely, 2^124257120 is an apocalyptic number.

124257120 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 124257120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210769776).

124257120 is an abundant number, since it is smaller than the sum of its proper divisors (297282432).

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

124257120 is a wasteful number, since it uses less digits than its factorization.

124257120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944 (or 19936 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 124257120 is about 11147.0677758772. The cubic root of 124257120 is about 499.0075246220.

The spelling of 124257120 in words is "one hundred twenty-four million, two hundred fifty-seven thousand, one hundred twenty".