3453020121 has 8 divisors (see below), whose sum is σ = 4604506144. Its totient is φ = 2301773760.

The previous prime is 3453020117. The next prime is 3453020141. The reversal of 3453020121 is 1210203543.

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

It is not a de Polignac number, because 3453020121 - 2² = 3453020117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3453020141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23056 + ... + 86241.

It is an arithmetic number, because the mean of its divisors is an integer number (575563268).

Almost surely, 2^3453020121 is an apocalyptic number.

It is an amenable number.

3453020121 is a deficient number, since it is larger than the sum of its proper divisors (1151486023).

3453020121 is a wasteful number, since it uses less digits than its factorization.

3453020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119831.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3453020121 is about 58762.4039756714. The cubic root of 3453020121 is about 1511.4705964647.

Adding to 3453020121 its reverse (1210203543), we get a palindrome (4663223664).

The spelling of 3453020121 in words is "three billion, four hundred fifty-three million, twenty thousand, one hundred twenty-one".