3240404121 has 4 divisors (see below), whose sum is σ = 4320538832. Its totient is φ = 2160269412.

The previous prime is 3240404107. The next prime is 3240404129. The reversal of 3240404121 is 1214040423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3240404121 - 2¹³ = 3240395929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240404129) 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, 540067351 + ... + 540067356.

It is an arithmetic number, because the mean of its divisors is an integer number (1080134708).

Almost surely, 2^3240404121 is an apocalyptic number.

It is an amenable number.

3240404121 is a deficient number, since it is larger than the sum of its proper divisors (1080134711).

3240404121 is a wasteful number, since it uses less digits than its factorization.

3240404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080134710.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3240404121 is about 56924.5476134857. The cubic root of 3240404121 is about 1479.7887635276.

Adding to 3240404121 its reverse (1214040423), we get a palindrome (4454444544).

The spelling of 3240404121 in words is "three billion, two hundred forty million, four hundred four thousand, one hundred twenty-one".