4221240124 has 12 divisors (see below), whose sum is σ = 7389204984. Its totient is φ = 2110038704.

The previous prime is 4221239977. The next prime is 4221240151. The reversal of 4221240124 is 4210421224.

It is a junction number, because it is equal to n+sod(n) for n = 4221240095 and 4221240104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128794 + ... + 158209.

It is an arithmetic number, because the mean of its divisors is an integer number (615767082).

Almost surely, 2^4221240124 is an apocalyptic number.

It is an amenable number.

4221240124 is a deficient number, since it is larger than the sum of its proper divisors (3167964860).

4221240124 is a wasteful number, since it uses less digits than its factorization.

4221240124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290684 (or 290682 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4221240124 is about 64971.0714395261. The cubic root of 4221240124 is about 1616.1438696332.

Adding to 4221240124 its reverse (4210421224), we get a palindrome (8431661348).

The spelling of 4221240124 in words is "four billion, two hundred twenty-one million, two hundred forty thousand, one hundred twenty-four".