4660142121 has 12 divisors (see below), whose sum is σ = 6797964420. Its totient is φ = 3076000800.

The previous prime is 4660142111. The next prime is 4660142189. The reversal of 4660142121 is 1212410664.

4660142121 is a `hidden beast` number, since 4 + 6 + 601 + 42 + 12 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4363923600 + 296218521 = 66060^2 + 17211^2 .

It is not a de Polignac number, because 4660142121 - 2⁵ = 4660142089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4660142101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2562426 + ... + 2564243.

It is an arithmetic number, because the mean of its divisors is an integer number (566497035).

Almost surely, 2^4660142121 is an apocalyptic number.

It is an amenable number.

4660142121 is a deficient number, since it is larger than the sum of its proper divisors (2137822299).

4660142121 is a wasteful number, since it uses less digits than its factorization.

4660142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126776 (or 5126773 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4660142121 is about 68265.2336185851. The cubic root of 4660142121 is about 1670.3201510104.

Adding to 4660142121 its reverse (1212410664), we get a palindrome (5872552785).

The spelling of 4660142121 in words is "four billion, six hundred sixty million, one hundred forty-two thousand, one hundred twenty-one".