4021240124 has 12 divisors (see below), whose sum is σ = 7676913048. Its totient is φ = 1827836400.

The previous prime is 4021240063. The next prime is 4021240183. The reversal of 4021240124 is 4210421204.

It is a junction number, because it is equal to n+sod(n) for n = 4021240096 and 4021240105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45695867 + ... + 45695954.

It is an arithmetic number, because the mean of its divisors is an integer number (639742754).

Almost surely, 2^4021240124 is an apocalyptic number.

4021240124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021240124 is a deficient number, since it is larger than the sum of its proper divisors (3655672924).

4021240124 is a wasteful number, since it uses less digits than its factorization.

4021240124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91391836 (or 91391834 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4021240124 is about 63413.2488049619. The cubic root of 4021240124 is about 1590.2058096259.

Adding to 4021240124 its reverse (4210421204), we get a palindrome (8231661328).

The spelling of 4021240124 in words is "four billion, twenty-one million, two hundred forty thousand, one hundred twenty-four".