3424120021 has 8 divisors (see below), whose sum is σ = 3913678080. Its totient is φ = 2934661488.

The previous prime is 3424120003. The next prime is 3424120069. The reversal of 3424120021 is 1200214243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3424120021 - 2¹⁹ = 3423595733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3424120421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76275 + ... + 112543.

It is an arithmetic number, because the mean of its divisors is an integer number (489209760).

Almost surely, 2^3424120021 is an apocalyptic number.

It is an amenable number.

3424120021 is a deficient number, since it is larger than the sum of its proper divisors (489558059).

3424120021 is a wasteful number, since it uses less digits than its factorization.

3424120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49763.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3424120021 is about 58515.9809026560. The cubic root of 3424120021 is about 1507.2420193158.

Adding to 3424120021 its reverse (1200214243), we get a palindrome (4624334264).

The spelling of 3424120021 in words is "three billion, four hundred twenty-four million, one hundred twenty thousand, twenty-one".