3813024121 has 4 divisors (see below), whose sum is σ = 3815019252. Its totient is φ = 3811028992.

The previous prime is 3813024113. The next prime is 3813024143. The reversal of 3813024121 is 1214203183.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2003457600 + 1809566521 = 44760^2 + 42539^2 .

It is a cyclic number.

It is not a de Polignac number, because 3813024121 - 2³ = 3813024113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3813024151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994696 + ... + 998521.

It is an arithmetic number, because the mean of its divisors is an integer number (953754813).

Almost surely, 2^3813024121 is an apocalyptic number.

It is an amenable number.

3813024121 is a deficient number, since it is larger than the sum of its proper divisors (1995131).

3813024121 is a wasteful number, since it uses less digits than its factorization.

3813024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995130.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3813024121 is about 61749.6892380844. The cubic root of 3813024121 is about 1562.2715265808.

The spelling of 3813024121 in words is "three billion, eight hundred thirteen million, twenty-four thousand, one hundred twenty-one".