124003020 has 24 divisors (see below), whose sum is σ = 347208624. Its totient is φ = 33067456.

The previous prime is 124003001. The next prime is 124003111. The reversal of 124003020 is 20300421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 124002987 and 124003005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033299 + ... + 1033418.

It is an arithmetic number, because the mean of its divisors is an integer number (14467026).

Almost surely, 2^124003020 is an apocalyptic number.

124003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124003020 is an abundant number, since it is smaller than the sum of its proper divisors (223205604).

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

124003020 is a wasteful number, since it uses less digits than its factorization.

124003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066729 (or 2066727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 124003020 is about 11135.6643268374. The cubic root of 124003020 is about 498.6671434774.

Adding to 124003020 its reverse (20300421), we get a palindrome (144303441).

The spelling of 124003020 in words is "one hundred twenty-four million, three thousand, twenty".