3420121143 has 16 divisors (see below), whose sum is σ = 4709840256. Its totient is φ = 2206233120.

The previous prime is 3420121141. The next prime is 3420121147. The reversal of 3420121143 is 3411210243.

It is not a de Polignac number, because 3420121143 - 2¹ = 3420121141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420121141) 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 15 ways as a sum of consecutive naturals, for example, 110088 + ... + 137693.

It is an arithmetic number, because the mean of its divisors is an integer number (294365016).

Almost surely, 2^3420121143 is an apocalyptic number.

3420121143 is a deficient number, since it is larger than the sum of its proper divisors (1289719113).

3420121143 is a wasteful number, since it uses less digits than its factorization.

3420121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247934.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3420121143 is about 58481.8018104778. The cubic root of 3420121143 is about 1506.6550437067.

Adding to 3420121143 its reverse (3411210243), we get a palindrome (6831331386).

The spelling of 3420121143 in words is "three billion, four hundred twenty million, one hundred twenty-one thousand, one hundred forty-three".