3042121305 has 32 divisors (see below), whose sum is σ = 4912596864. Its totient is φ = 1607446016.

The previous prime is 3042121283. The next prime is 3042121307. The reversal of 3042121305 is 5031212403.

3042121305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3042121305 - 2¹¹ = 3042119257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3042121307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1340782 + ... + 1343048.

It is an arithmetic number, because the mean of its divisors is an integer number (153518652).

Almost surely, 2^3042121305 is an apocalyptic number.

It is an amenable number.

3042121305 is a deficient number, since it is larger than the sum of its proper divisors (1870475559).

3042121305 is a wasteful number, since it uses less digits than its factorization.

3042121305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065.

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

The square root of 3042121305 is about 55155.4286086148. The cubic root of 3042121305 is about 1448.9681608701.

Adding to 3042121305 its reverse (5031212403), we get a palindrome (8073333708).

The spelling of 3042121305 in words is "three billion, forty-two million, one hundred twenty-one thousand, three hundred five".