3042121145 has 12 divisors (see below), whose sum is σ = 4246553124. Its totient is φ = 2086025760.

The previous prime is 3042121133. The next prime is 3042121153. The reversal of 3042121145 is 5411212403.

It can be written as a sum of positive squares in 2 ways, for example, as 2205523369 + 836597776 = 46963^2 + 28924^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3042121145 is a prime.

It is a super-2 number, since 2×3042121145² = 18509002121712222050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3042121145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6208166 + ... + 6208655.

It is an arithmetic number, because the mean of its divisors is an integer number (353879427).

Almost surely, 2^3042121145 is an apocalyptic number.

3042121145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3042121145 is a deficient number, since it is larger than the sum of its proper divisors (1204431979).

3042121145 is a wasteful number, since it uses less digits than its factorization.

3042121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416840 (or 12416833 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3042121145 is about 55155.4271581682. The cubic root of 3042121145 is about 1448.9681354674.

Adding to 3042121145 its reverse (5411212403), we get a palindrome (8453333548).

The spelling of 3042121145 in words is "three billion, forty-two million, one hundred twenty-one thousand, one hundred forty-five".