124180420 has 144 divisors (see below), whose sum is σ = 336317184. Its totient is φ = 37497600.

The previous prime is 124180403. The next prime is 124180429. The reversal of 124180420 is 24081421.

It is a super-2 number, since 2×124180420² = 30841553422752800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124180391 and 124180400.

It is not an unprimeable number, because it can be changed into a prime (124180429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1748985 + ... + 1749055.

It is an arithmetic number, because the mean of its divisors is an integer number (2335536).

Almost surely, 2^124180420 is an apocalyptic number.

124180420 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 124180420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168158592).

124180420 is an abundant number, since it is smaller than the sum of its proper divisors (212136764).

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

124180420 is a wasteful number, since it uses less digits than its factorization.

124180420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 124180420 is about 11143.6268781757. The cubic root of 124180420 is about 498.9048296217.

The spelling of 124180420 in words is "one hundred twenty-four million, one hundred eighty thousand, four hundred twenty".